diff options
Diffstat (limited to 'net')
129 files changed, 1040 insertions, 763 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index 854ca7a911c4..776618cd2be5 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -23,6 +23,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/errno.h> #include <linux/fs.h> @@ -81,15 +83,15 @@ static int get_protocol_version(char *s) if (!strcmp(s, "9p2000")) { version = p9_proto_legacy; - P9_DPRINTK(P9_DEBUG_9P, "Protocol version: Legacy\n"); + p9_debug(P9_DEBUG_9P, "Protocol version: Legacy\n"); } else if (!strcmp(s, "9p2000.u")) { version = p9_proto_2000u; - P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.u\n"); + p9_debug(P9_DEBUG_9P, "Protocol version: 9P2000.u\n"); } else if (!strcmp(s, "9p2000.L")) { version = p9_proto_2000L; - P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.L\n"); + p9_debug(P9_DEBUG_9P, "Protocol version: 9P2000.L\n"); } else - printk(KERN_INFO "9p: Unknown protocol version %s.\n", s); + pr_info("Unknown protocol version %s\n", s); return version; } @@ -119,8 +121,8 @@ static int parse_opts(char *opts, struct p9_client *clnt) tmp_options = kstrdup(opts, GFP_KERNEL); if (!tmp_options) { - P9_DPRINTK(P9_DEBUG_ERROR, - "failed to allocate copy of option string\n"); + p9_debug(P9_DEBUG_ERROR, + "failed to allocate copy of option string\n"); return -ENOMEM; } options = tmp_options; @@ -134,8 +136,8 @@ static int parse_opts(char *opts, struct p9_client *clnt) case Opt_msize: r = match_int(&args[0], &option); if (r < 0) { - P9_DPRINTK(P9_DEBUG_ERROR, - "integer field, but no integer?\n"); + p9_debug(P9_DEBUG_ERROR, + "integer field, but no integer?\n"); ret = r; continue; } @@ -145,15 +147,14 @@ static int parse_opts(char *opts, struct p9_client *clnt) s = match_strdup(&args[0]); if (!s) { ret = -ENOMEM; - P9_DPRINTK(P9_DEBUG_ERROR, - "problem allocating copy of trans arg\n"); + p9_debug(P9_DEBUG_ERROR, + "problem allocating copy of trans arg\n"); goto free_and_return; } clnt->trans_mod = v9fs_get_trans_by_name(s); if (clnt->trans_mod == NULL) { - printk(KERN_INFO - "9p: Could not find " - "request transport: %s\n", s); + pr_info("Could not find request transport: %s\n", + s); ret = -EINVAL; kfree(s); goto free_and_return; @@ -167,8 +168,8 @@ static int parse_opts(char *opts, struct p9_client *clnt) s = match_strdup(&args[0]); if (!s) { ret = -ENOMEM; - P9_DPRINTK(P9_DEBUG_ERROR, - "problem allocating copy of version arg\n"); + p9_debug(P9_DEBUG_ERROR, + "problem allocating copy of version arg\n"); goto free_and_return; } ret = get_protocol_version(s); @@ -225,7 +226,7 @@ p9_tag_alloc(struct p9_client *c, u16 tag, unsigned int max_size) sizeof(struct p9_req_t), GFP_ATOMIC); if (!c->reqs[row]) { - printk(KERN_ERR "Couldn't grow tag array\n"); + pr_err("Couldn't grow tag array\n"); spin_unlock_irqrestore(&c->lock, flags); return ERR_PTR(-ENOMEM); } @@ -244,7 +245,7 @@ p9_tag_alloc(struct p9_client *c, u16 tag, unsigned int max_size) if (!req->tc) { req->wq = kmalloc(sizeof(wait_queue_head_t), GFP_NOFS); if (!req->wq) { - printk(KERN_ERR "Couldn't grow tag array\n"); + pr_err("Couldn't grow tag array\n"); return ERR_PTR(-ENOMEM); } init_waitqueue_head(req->wq); @@ -253,7 +254,7 @@ p9_tag_alloc(struct p9_client *c, u16 tag, unsigned int max_size) req->rc = kmalloc(sizeof(struct p9_fcall) + alloc_msize, GFP_NOFS); if ((!req->tc) || (!req->rc)) { - printk(KERN_ERR "Couldn't grow tag array\n"); + pr_err("Couldn't grow tag array\n"); kfree(req->tc); kfree(req->rc); kfree(req->wq); @@ -343,9 +344,9 @@ static void p9_tag_cleanup(struct p9_client *c) for (row = 0; row < (c->max_tag/P9_ROW_MAXTAG); row++) { for (col = 0; col < P9_ROW_MAXTAG; col++) { if (c->reqs[row][col].status != REQ_STATUS_IDLE) { - P9_DPRINTK(P9_DEBUG_MUX, - "Attempting to cleanup non-free tag %d,%d\n", - row, col); + p9_debug(P9_DEBUG_MUX, + "Attempting to cleanup non-free tag %d,%d\n", + row, col); /* TODO: delay execution of cleanup */ return; } @@ -379,7 +380,7 @@ static void p9_tag_cleanup(struct p9_client *c) static void p9_free_req(struct p9_client *c, struct p9_req_t *r) { int tag = r->tc->tag; - P9_DPRINTK(P9_DEBUG_MUX, "clnt %p req %p tag: %d\n", c, r, tag); + p9_debug(P9_DEBUG_MUX, "clnt %p req %p tag: %d\n", c, r, tag); r->status = REQ_STATUS_IDLE; if (tag != P9_NOTAG && p9_idpool_check(tag, c->tagpool)) @@ -394,9 +395,9 @@ static void p9_free_req(struct p9_client *c, struct p9_req_t *r) */ void p9_client_cb(struct p9_client *c, struct p9_req_t *req) { - P9_DPRINTK(P9_DEBUG_MUX, " tag %d\n", req->tc->tag); + p9_debug(P9_DEBUG_MUX, " tag %d\n", req->tc->tag); wake_up(req->wq); - P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag); + p9_debug(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag); } EXPORT_SYMBOL(p9_client_cb); @@ -431,8 +432,8 @@ p9_parse_header(struct p9_fcall *pdu, int32_t *size, int8_t *type, int16_t *tag, pdu->id = r_type; pdu->tag = r_tag; - P9_DPRINTK(P9_DEBUG_9P, "<<< size=%d type: %d tag: %d\n", pdu->size, - pdu->id, pdu->tag); + p9_debug(P9_DEBUG_9P, "<<< size=%d type: %d tag: %d\n", + pdu->size, pdu->id, pdu->tag); if (type) *type = r_type; @@ -473,7 +474,7 @@ static int p9_check_errors(struct p9_client *c, struct p9_req_t *req) */ trace_9p_protocol_dump(c, req->rc); if (err) { - P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse header %d\n", err); + p9_debug(P9_DEBUG_ERROR, "couldn't parse header %d\n", err); return err; } if (type != P9_RERROR && type != P9_RLERROR) @@ -492,21 +493,21 @@ static int p9_check_errors(struct p9_client *c, struct p9_req_t *req) if (!err || !IS_ERR_VALUE(err)) { err = p9_errstr2errno(ename, strlen(ename)); - P9_DPRINTK(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", - -ecode, ename); + p9_debug(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", + -ecode, ename); } kfree(ename); } else { err = p9pdu_readf(req->rc, c->proto_version, "d", &ecode); err = -ecode; - P9_DPRINTK(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode); + p9_debug(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode); } return err; out_err: - P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n", err); + p9_debug(P9_DEBUG_ERROR, "couldn't parse error%d\n", err); return err; } @@ -538,7 +539,7 @@ static int p9_check_zc_errors(struct p9_client *c, struct p9_req_t *req, */ trace_9p_protocol_dump(c, req->rc); if (err) { - P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse header %d\n", err); + p9_debug(P9_DEBUG_ERROR, "couldn't parse header %d\n", err); return err; } @@ -601,22 +602,22 @@ static int p9_check_zc_errors(struct p9_client *c, struct p9_req_t *req, if (!err || !IS_ERR_VALUE(err)) { err = p9_errstr2errno(ename, strlen(ename)); - P9_DPRINTK(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", - -ecode, ename); + p9_debug(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", + -ecode, ename); } kfree(ename); } else { err = p9pdu_readf(req->rc, c->proto_version, "d", &ecode); err = -ecode; - P9_DPRINTK(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode); + p9_debug(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode); } return err; out_free: kfree(ename); out_err: - P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n", err); + p9_debug(P9_DEBUG_ERROR, "couldn't parse error%d\n", err); return err; } @@ -645,7 +646,7 @@ static int p9_client_flush(struct p9_client *c, struct p9_req_t *oldreq) if (err) return err; - P9_DPRINTK(P9_DEBUG_9P, ">>> TFLUSH tag %d\n", oldtag); + p9_debug(P9_DEBUG_9P, ">>> TFLUSH tag %d\n", oldtag); req = p9_client_rpc(c, P9_TFLUSH, "w", oldtag); if (IS_ERR(req)) @@ -670,7 +671,7 @@ static struct p9_req_t *p9_client_prepare_req(struct p9_client *c, int tag, err; struct p9_req_t *req; - P9_DPRINTK(P9_DEBUG_MUX, "client %p op %d\n", c, type); + p9_debug(P9_DEBUG_MUX, "client %p op %d\n", c, type); /* we allow for any status other than disconnected */ if (c->status == Disconnected) @@ -744,11 +745,11 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...) req->status >= REQ_STATUS_RCVD); if (req->status == REQ_STATUS_ERROR) { - P9_DPRINTK(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err); + p9_debug(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err); err = req->t_err; } if ((err == -ERESTARTSYS) && (c->status == Connected)) { - P9_DPRINTK(P9_DEBUG_MUX, "flushing\n"); + p9_debug(P9_DEBUG_MUX, "flushing\n"); sigpending = 1; clear_thread_flag(TIF_SIGPENDING); @@ -827,11 +828,11 @@ static struct p9_req_t *p9_client_zc_rpc(struct p9_client *c, int8_t type, goto reterr; } if (req->status == REQ_STATUS_ERROR) { - P9_DPRINTK(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err); + p9_debug(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err); err = req->t_err; } if ((err == -ERESTARTSYS) && (c->status == Connected)) { - P9_DPRINTK(P9_DEBUG_MUX, "flushing\n"); + p9_debug(P9_DEBUG_MUX, "flushing\n"); sigpending = 1; clear_thread_flag(TIF_SIGPENDING); @@ -865,7 +866,7 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt) struct p9_fid *fid; unsigned long flags; - P9_DPRINTK(P9_DEBUG_FID, "clnt %p\n", clnt); + p9_debug(P9_DEBUG_FID, "clnt %p\n", clnt); fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL); if (!fid) return ERR_PTR(-ENOMEM); @@ -898,7 +899,7 @@ static void p9_fid_destroy(struct p9_fid *fid) struct p9_client *clnt; unsigned long flags; - P9_DPRINTK(P9_DEBUG_FID, "fid %d\n", fid->fid); + p9_debug(P9_DEBUG_FID, "fid %d\n", fid->fid); clnt = fid->clnt; p9_idpool_put(fid->fid, clnt->fidpool); spin_lock_irqsave(&clnt->lock, flags); @@ -915,8 +916,8 @@ static int p9_client_version(struct p9_client *c) char *version; int msize; - P9_DPRINTK(P9_DEBUG_9P, ">>> TVERSION msize %d protocol %d\n", - c->msize, c->proto_version); + p9_debug(P9_DEBUG_9P, ">>> TVERSION msize %d protocol %d\n", + c->msize, c->proto_version); switch (c->proto_version) { case p9_proto_2000L: @@ -941,12 +942,12 @@ static int p9_client_version(struct p9_client *c) err = p9pdu_readf(req->rc, c->proto_version, "ds", &msize, &version); if (err) { - P9_DPRINTK(P9_DEBUG_9P, "version error %d\n", err); + p9_debug(P9_DEBUG_9P, "version error %d\n", err); trace_9p_protocol_dump(c, req->rc); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RVERSION msize %d %s\n", msize, version); + p9_debug(P9_DEBUG_9P, "<<< RVERSION msize %d %s\n", msize, version); if (!strncmp(version, "9P2000.L", 8)) c->proto_version = p9_proto_2000L; else if (!strncmp(version, "9P2000.u", 8)) @@ -996,8 +997,8 @@ struct p9_client *p9_client_create(const char *dev_name, char *options) if (clnt->trans_mod == NULL) { err = -EPROTONOSUPPORT; - P9_DPRINTK(P9_DEBUG_ERROR, - "No transport defined or default transport\n"); + p9_debug(P9_DEBUG_ERROR, + "No transport defined or default transport\n"); goto destroy_tagpool; } @@ -1007,8 +1008,8 @@ struct p9_client *p9_client_create(const char *dev_name, char *options) goto put_trans; } - P9_DPRINTK(P9_DEBUG_MUX, "clnt %p trans %p msize %d protocol %d\n", - clnt, clnt->trans_mod, clnt->msize, clnt->proto_version); + p9_debug(P9_DEBUG_MUX, "clnt %p trans %p msize %d protocol %d\n", + clnt, clnt->trans_mod, clnt->msize, clnt->proto_version); err = clnt->trans_mod->create(clnt, dev_name, options); if (err) @@ -1041,7 +1042,7 @@ void p9_client_destroy(struct p9_client *clnt) { struct p9_fid *fid, *fidptr; - P9_DPRINTK(P9_DEBUG_MUX, "clnt %p\n", clnt); + p9_debug(P9_DEBUG_MUX, "clnt %p\n", clnt); if (clnt->trans_mod) clnt->trans_mod->close(clnt); @@ -1049,7 +1050,7 @@ void p9_client_destroy(struct p9_client *clnt) v9fs_put_trans(clnt->trans_mod); list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist) { - printk(KERN_INFO "Found fid %d not clunked\n", fid->fid); + pr_info("Found fid %d not clunked\n", fid->fid); p9_fid_destroy(fid); } @@ -1064,14 +1065,14 @@ EXPORT_SYMBOL(p9_client_destroy); void p9_client_disconnect(struct p9_client *clnt) { - P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt); + p9_debug(P9_DEBUG_9P, "clnt %p\n", clnt); clnt->status = Disconnected; } EXPORT_SYMBOL(p9_client_disconnect); void p9_client_begin_disconnect(struct p9_client *clnt) { - P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt); + p9_debug(P9_DEBUG_9P, "clnt %p\n", clnt); clnt->status = BeginDisconnect; } EXPORT_SYMBOL(p9_client_begin_disconnect); @@ -1085,8 +1086,8 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid, struct p9_qid qid; - P9_DPRINTK(P9_DEBUG_9P, ">>> TATTACH afid %d uname %s aname %s\n", - afid ? afid->fid : -1, uname, aname); + p9_debug(P9_DEBUG_9P, ">>> TATTACH afid %d uname %s aname %s\n", + afid ? afid->fid : -1, uname, aname); fid = p9_fid_create(clnt); if (IS_ERR(fid)) { err = PTR_ERR(fid); @@ -1108,10 +1109,8 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid, goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RATTACH qid %x.%llx.%x\n", - qid.type, - (unsigned long long)qid.path, - qid.version); + p9_debug(P9_DEBUG_9P, "<<< RATTACH qid %x.%llx.%x\n", + qid.type, (unsigned long long)qid.path, qid.version); memmove(&fid->qid, &qid, sizeof(struct p9_qid)); @@ -1151,8 +1150,8 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname, fid = oldfid; - P9_DPRINTK(P9_DEBUG_9P, ">>> TWALK fids %d,%d nwname %ud wname[0] %s\n", - oldfid->fid, fid->fid, nwname, wnames ? wnames[0] : NULL); + p9_debug(P9_DEBUG_9P, ">>> TWALK fids %d,%d nwname %ud wname[0] %s\n", + oldfid->fid, fid->fid, nwname, wnames ? wnames[0] : NULL); req = p9_client_rpc(clnt, P9_TWALK, "ddT", oldfid->fid, fid->fid, nwname, wnames); @@ -1169,7 +1168,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname, } p9_free_req(clnt, req); - P9_DPRINTK(P9_DEBUG_9P, "<<< RWALK nwqid %d:\n", nwqids); + p9_debug(P9_DEBUG_9P, "<<< RWALK nwqid %d:\n", nwqids); if (nwqids != nwname) { err = -ENOENT; @@ -1177,7 +1176,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname, } for (count = 0; count < nwqids; count++) - P9_DPRINTK(P9_DEBUG_9P, "<<< [%d] %x.%llx.%x\n", + p9_debug(P9_DEBUG_9P, "<<< [%d] %x.%llx.%x\n", count, wqids[count].type, (unsigned long long)wqids[count].path, wqids[count].version); @@ -1212,7 +1211,7 @@ int p9_client_open(struct p9_fid *fid, int mode) int iounit; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> %s fid %d mode %d\n", + p9_debug(P9_DEBUG_9P, ">>> %s fid %d mode %d\n", p9_is_proto_dotl(clnt) ? "TLOPEN" : "TOPEN", fid->fid, mode); err = 0; @@ -1234,7 +1233,7 @@ int p9_client_open(struct p9_fid *fid, int mode) goto free_and_error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< %s qid %x.%llx.%x iounit %x\n", + p9_debug(P9_DEBUG_9P, "<<< %s qid %x.%llx.%x iounit %x\n", p9_is_proto_dotl(clnt) ? "RLOPEN" : "ROPEN", qid.type, (unsigned long long)qid.path, qid.version, iounit); @@ -1256,7 +1255,7 @@ int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode, struct p9_req_t *req; int iounit; - P9_DPRINTK(P9_DEBUG_9P, + p9_debug(P9_DEBUG_9P, ">>> TLCREATE fid %d name %s flags %d mode %d gid %d\n", ofid->fid, name, flags, mode, gid); clnt = ofid->clnt; @@ -1277,7 +1276,7 @@ int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode, goto free_and_error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RLCREATE qid %x.%llx.%x iounit %x\n", + p9_debug(P9_DEBUG_9P, "<<< RLCREATE qid %x.%llx.%x iounit %x\n", qid->type, (unsigned long long)qid->path, qid->version, iounit); @@ -1301,7 +1300,7 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode, struct p9_qid qid; int iounit; - P9_DPRINTK(P9_DEBUG_9P, ">>> TCREATE fid %d name %s perm %d mode %d\n", + p9_debug(P9_DEBUG_9P, ">>> TCREATE fid %d name %s perm %d mode %d\n", fid->fid, name, perm, mode); err = 0; clnt = fid->clnt; @@ -1322,7 +1321,7 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode, goto free_and_error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RCREATE qid %x.%llx.%x iounit %x\n", + p9_debug(P9_DEBUG_9P, "<<< RCREATE qid %x.%llx.%x iounit %x\n", qid.type, (unsigned long long)qid.path, qid.version, iounit); @@ -1344,7 +1343,7 @@ int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, gid_t gid, struct p9_client *clnt; struct p9_req_t *req; - P9_DPRINTK(P9_DEBUG_9P, ">>> TSYMLINK dfid %d name %s symtgt %s\n", + p9_debug(P9_DEBUG_9P, ">>> TSYMLINK dfid %d name %s symtgt %s\n", dfid->fid, name, symtgt); clnt = dfid->clnt; @@ -1361,7 +1360,7 @@ int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, gid_t gid, goto free_and_error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RSYMLINK qid %x.%llx.%x\n", + p9_debug(P9_DEBUG_9P, "<<< RSYMLINK qid %x.%llx.%x\n", qid->type, (unsigned long long)qid->path, qid->version); free_and_error: @@ -1376,7 +1375,7 @@ int p9_client_link(struct p9_fid *dfid, struct p9_fid *oldfid, char *newname) struct p9_client *clnt; struct p9_req_t *req; - P9_DPRINTK(P9_DEBUG_9P, ">>> TLINK dfid %d oldfid %d newname %s\n", + p9_debug(P9_DEBUG_9P, ">>> TLINK dfid %d oldfid %d newname %s\n", dfid->fid, oldfid->fid, newname); clnt = dfid->clnt; req = p9_client_rpc(clnt, P9_TLINK, "dds", dfid->fid, oldfid->fid, @@ -1384,7 +1383,7 @@ int p9_client_link(struct p9_fid *dfid, struct p9_fid *oldfid, char *newname) if (IS_ERR(req)) return PTR_ERR(req); - P9_DPRINTK(P9_DEBUG_9P, "<<< RLINK\n"); + p9_debug(P9_DEBUG_9P, "<<< RLINK\n"); p9_free_req(clnt, req); return 0; } @@ -1396,7 +1395,7 @@ int p9_client_fsync(struct p9_fid *fid, int datasync) struct p9_client *clnt; struct p9_req_t *req; - P9_DPRINTK(P9_DEBUG_9P, ">>> TFSYNC fid %d datasync:%d\n", + p9_debug(P9_DEBUG_9P, ">>> TFSYNC fid %d datasync:%d\n", fid->fid, datasync); err = 0; clnt = fid->clnt; @@ -1407,7 +1406,7 @@ int p9_client_fsync(struct p9_fid *fid, int datasync) goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RFSYNC fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, "<<< RFSYNC fid %d\n", fid->fid); p9_free_req(clnt, req); @@ -1423,12 +1422,13 @@ int p9_client_clunk(struct p9_fid *fid) struct p9_req_t *req; if (!fid) { - P9_EPRINTK(KERN_WARNING, "Trying to clunk with NULL fid\n"); + pr_warn("%s (%d): Trying to clunk with NULL fid\n", + __func__, task_pid_nr(current)); dump_stack(); return 0; } - P9_DPRINTK(P9_DEBUG_9P, ">>> TCLUNK fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, ">>> TCLUNK fid %d\n", fid->fid); err = 0; clnt = fid->clnt; @@ -1438,7 +1438,7 @@ int p9_client_clunk(struct p9_fid *fid) goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RCLUNK fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, "<<< RCLUNK fid %d\n", fid->fid); p9_free_req(clnt, req); error: @@ -1456,7 +1456,7 @@ int p9_client_remove(struct p9_fid *fid) struct p9_client *clnt; struct p9_req_t *req; - P9_DPRINTK(P9_DEBUG_9P, ">>> TREMOVE fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, ">>> TREMOVE fid %d\n", fid->fid); err = 0; clnt = fid->clnt; @@ -1466,7 +1466,7 @@ int p9_client_remove(struct p9_fid *fid) goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RREMOVE fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, "<<< RREMOVE fid %d\n", fid->fid); p9_free_req(clnt, req); error: @@ -1481,7 +1481,7 @@ int p9_client_unlinkat(struct p9_fid *dfid, const char *name, int flags) struct p9_req_t *req; struct p9_client *clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TUNLINKAT fid %d %s %d\n", + p9_debug(P9_DEBUG_9P, ">>> TUNLINKAT fid %d %s %d\n", dfid->fid, name, flags); clnt = dfid->clnt; @@ -1490,7 +1490,7 @@ int p9_client_unlinkat(struct p9_fid *dfid, const char *name, int flags) err = PTR_ERR(req); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RUNLINKAT fid %d %s\n", dfid->fid, name); + p9_debug(P9_DEBUG_9P, "<<< RUNLINKAT fid %d %s\n", dfid->fid, name); p9_free_req(clnt, req); error: @@ -1509,7 +1509,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset, int err, rsize, non_zc = 0; - P9_DPRINTK(P9_DEBUG_9P, ">>> TREAD fid %d offset %llu %d\n", + p9_debug(P9_DEBUG_9P, ">>> TREAD fid %d offset %llu %d\n", fid->fid, (long long unsigned) offset, count); err = 0; clnt = fid->clnt; @@ -1552,7 +1552,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset, goto free_and_error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RREAD count %d\n", count); + p9_debug(P9_DEBUG_9P, "<<< RREAD count %d\n", count); if (non_zc) { if (data) { @@ -1584,7 +1584,7 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata, struct p9_client *clnt; struct p9_req_t *req; - P9_DPRINTK(P9_DEBUG_9P, ">>> TWRITE fid %d offset %llu count %d\n", + p9_debug(P9_DEBUG_9P, ">>> TWRITE fid %d offset %llu count %d\n", fid->fid, (long long unsigned) offset, count); err = 0; clnt = fid->clnt; @@ -1626,7 +1626,7 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata, goto free_and_error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RWRITE count %d\n", count); + p9_debug(P9_DEBUG_9P, "<<< RWRITE count %d\n", count); p9_free_req(clnt, req); return count; @@ -1646,7 +1646,7 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid) struct p9_req_t *req; u16 ignored; - P9_DPRINTK(P9_DEBUG_9P, ">>> TSTAT fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, ">>> TSTAT fid %d\n", fid->fid); if (!ret) return ERR_PTR(-ENOMEM); @@ -1667,7 +1667,7 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid) goto error; } - P9_DPRINTK(P9_DEBUG_9P, + p9_debug(P9_DEBUG_9P, "<<< RSTAT sz=%x type=%x dev=%x qid=%x.%llx.%x\n" "<<< mode=%8.8x atime=%8.8x mtime=%8.8x length=%llx\n" "<<< name=%s uid=%s gid=%s muid=%s extension=(%s)\n" @@ -1696,7 +1696,7 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid, GFP_KERNEL); struct p9_req_t *req; - P9_DPRINTK(P9_DEBUG_9P, ">>> TGETATTR fid %d, request_mask %lld\n", + p9_debug(P9_DEBUG_9P, ">>> TGETATTR fid %d, request_mask %lld\n", fid->fid, request_mask); if (!ret) @@ -1718,7 +1718,7 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid, goto error; } - P9_DPRINTK(P9_DEBUG_9P, + p9_debug(P9_DEBUG_9P, "<<< RGETATTR st_result_mask=%lld\n" "<<< qid=%x.%llx.%x\n" "<<< st_mode=%8.8x st_nlink=%llu\n" @@ -1784,8 +1784,8 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst) err = 0; clnt = fid->clnt; wst->size = p9_client_statsize(wst, clnt->proto_version); - P9_DPRINTK(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid); - P9_DPRINTK(P9_DEBUG_9P, + p9_debug(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, " sz=%x type=%x dev=%x qid=%x.%llx.%x\n" " mode=%8.8x atime=%8.8x mtime=%8.8x length=%llx\n" " name=%s uid=%s gid=%s muid=%s extension=(%s)\n" @@ -1802,7 +1802,7 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst) goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RWSTAT fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, "<<< RWSTAT fid %d\n", fid->fid); p9_free_req(clnt, req); error: @@ -1818,8 +1818,8 @@ int p9_client_setattr(struct p9_fid *fid, struct p9_iattr_dotl *p9attr) err = 0; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TSETATTR fid %d\n", fid->fid); - P9_DPRINTK(P9_DEBUG_9P, + p9_debug(P9_DEBUG_9P, ">>> TSETATTR fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, " valid=%x mode=%x uid=%d gid=%d size=%lld\n" " atime_sec=%lld atime_nsec=%lld\n" " mtime_sec=%lld mtime_nsec=%lld\n", @@ -1833,7 +1833,7 @@ int p9_client_setattr(struct p9_fid *fid, struct p9_iattr_dotl *p9attr) err = PTR_ERR(req); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RSETATTR fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, "<<< RSETATTR fid %d\n", fid->fid); p9_free_req(clnt, req); error: return err; @@ -1849,7 +1849,7 @@ int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb) err = 0; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TSTATFS fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, ">>> TSTATFS fid %d\n", fid->fid); req = p9_client_rpc(clnt, P9_TSTATFS, "d", fid->fid); if (IS_ERR(req)) { @@ -1866,7 +1866,7 @@ int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb) goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RSTATFS fid %d type 0x%lx bsize %ld " + p9_debug(P9_DEBUG_9P, "<<< RSTATFS fid %d type 0x%lx bsize %ld " "blocks %llu bfree %llu bavail %llu files %llu ffree %llu " "fsid %llu namelen %ld\n", fid->fid, (long unsigned int)sb->type, (long int)sb->bsize, @@ -1889,7 +1889,7 @@ int p9_client_rename(struct p9_fid *fid, err = 0; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TRENAME fid %d newdirfid %d name %s\n", + p9_debug(P9_DEBUG_9P, ">>> TRENAME fid %d newdirfid %d name %s\n", fid->fid, newdirfid->fid, name); req = p9_client_rpc(clnt, P9_TRENAME, "dds", fid->fid, @@ -1899,7 +1899,7 @@ int p9_client_rename(struct p9_fid *fid, goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RRENAME fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, "<<< RRENAME fid %d\n", fid->fid); p9_free_req(clnt, req); error: @@ -1917,7 +1917,7 @@ int p9_client_renameat(struct p9_fid *olddirfid, const char *old_name, err = 0; clnt = olddirfid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TRENAMEAT olddirfid %d old name %s" + p9_debug(P9_DEBUG_9P, ">>> TRENAMEAT olddirfid %d old name %s" " newdirfid %d new name %s\n", olddirfid->fid, old_name, newdirfid->fid, new_name); @@ -1928,7 +1928,7 @@ int p9_client_renameat(struct p9_fid *olddirfid, const char *old_name, goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RRENAMEAT newdirfid %d new name %s\n", + p9_debug(P9_DEBUG_9P, "<<< RRENAMEAT newdirfid %d new name %s\n", newdirfid->fid, new_name); p9_free_req(clnt, req); @@ -1956,7 +1956,7 @@ struct p9_fid *p9_client_xattrwalk(struct p9_fid *file_fid, attr_fid = NULL; goto error; } - P9_DPRINTK(P9_DEBUG_9P, + p9_debug(P9_DEBUG_9P, ">>> TXATTRWALK file_fid %d, attr_fid %d name %s\n", file_fid->fid, attr_fid->fid, attr_name); @@ -1973,7 +1973,7 @@ struct p9_fid *p9_client_xattrwalk(struct p9_fid *file_fid, goto clunk_fid; } p9_free_req(clnt, req); - P9_DPRINTK(P9_DEBUG_9P, "<<< RXATTRWALK fid %d size %llu\n", + p9_debug(P9_DEBUG_9P, "<<< RXATTRWALK fid %d size %llu\n", attr_fid->fid, *attr_size); return attr_fid; clunk_fid: @@ -1994,7 +1994,7 @@ int p9_client_xattrcreate(struct p9_fid *fid, const char *name, struct p9_req_t *req; struct p9_client *clnt; - P9_DPRINTK(P9_DEBUG_9P, + p9_debug(P9_DEBUG_9P, ">>> TXATTRCREATE fid %d name %s size %lld flag %d\n", fid->fid, name, (long long)attr_size, flags); err = 0; @@ -2005,7 +2005,7 @@ int p9_client_xattrcreate(struct p9_fid *fid, const char *name, err = PTR_ERR(req); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RXATTRCREATE fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, "<<< RXATTRCREATE fid %d\n", fid->fid); p9_free_req(clnt, req); error: return err; @@ -2019,7 +2019,7 @@ int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset) struct p9_req_t *req; char *dataptr; - P9_DPRINTK(P9_DEBUG_9P, ">>> TREADDIR fid %d offset %llu count %d\n", + p9_debug(P9_DEBUG_9P, ">>> TREADDIR fid %d offset %llu count %d\n", fid->fid, (long long unsigned) offset, count); err = 0; @@ -2056,7 +2056,7 @@ int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset) goto free_and_error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RREADDIR count %d\n", count); + p9_debug(P9_DEBUG_9P, "<<< RREADDIR count %d\n", count); if (non_zc) memmove(data, dataptr, count); @@ -2080,7 +2080,7 @@ int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode, err = 0; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TMKNOD fid %d name %s mode %d major %d " + p9_debug(P9_DEBUG_9P, ">>> TMKNOD fid %d name %s mode %d major %d " "minor %d\n", fid->fid, name, mode, MAJOR(rdev), MINOR(rdev)); req = p9_client_rpc(clnt, P9_TMKNOD, "dsdddd", fid->fid, name, mode, MAJOR(rdev), MINOR(rdev), gid); @@ -2092,7 +2092,7 @@ int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode, trace_9p_protocol_dump(clnt, req->rc); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RMKNOD qid %x.%llx.%x\n", qid->type, + p9_debug(P9_DEBUG_9P, "<<< RMKNOD qid %x.%llx.%x\n", qid->type, (unsigned long long)qid->path, qid->version); error: @@ -2111,7 +2111,7 @@ int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode, err = 0; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TMKDIR fid %d name %s mode %d gid %d\n", + p9_debug(P9_DEBUG_9P, ">>> TMKDIR fid %d name %s mode %d gid %d\n", fid->fid, name, mode, gid); req = p9_client_rpc(clnt, P9_TMKDIR, "dsdd", fid->fid, name, mode, gid); @@ -2123,7 +2123,7 @@ int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode, trace_9p_protocol_dump(clnt, req->rc); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RMKDIR qid %x.%llx.%x\n", qid->type, + p9_debug(P9_DEBUG_9P, "<<< RMKDIR qid %x.%llx.%x\n", qid->type, (unsigned long long)qid->path, qid->version); error: @@ -2141,7 +2141,7 @@ int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status) err = 0; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TLOCK fid %d type %i flags %d " + p9_debug(P9_DEBUG_9P, ">>> TLOCK fid %d type %i flags %d " "start %lld length %lld proc_id %d client_id %s\n", fid->fid, flock->type, flock->flags, flock->start, flock->length, flock->proc_id, flock->client_id); @@ -2158,7 +2158,7 @@ int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status) trace_9p_protocol_dump(clnt, req->rc); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status); + p9_debug(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status); error: p9_free_req(clnt, req); return err; @@ -2174,7 +2174,7 @@ int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *glock) err = 0; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TGETLOCK fid %d, type %i start %lld " + p9_debug(P9_DEBUG_9P, ">>> TGETLOCK fid %d, type %i start %lld " "length %lld proc_id %d client_id %s\n", fid->fid, glock->type, glock->start, glock->length, glock->proc_id, glock->client_id); @@ -2191,7 +2191,7 @@ int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *glock) trace_9p_protocol_dump(clnt, req->rc); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RGETLOCK type %i start %lld length %lld " + p9_debug(P9_DEBUG_9P, "<<< RGETLOCK type %i start %lld length %lld " "proc_id %d client_id %s\n", glock->type, glock->start, glock->length, glock->proc_id, glock->client_id); error: @@ -2208,7 +2208,7 @@ int p9_client_readlink(struct p9_fid *fid, char **target) err = 0; clnt = fid->clnt; - P9_DPRINTK(P9_DEBUG_9P, ">>> TREADLINK fid %d\n", fid->fid); + p9_debug(P9_DEBUG_9P, ">>> TREADLINK fid %d\n", fid->fid); req = p9_client_rpc(clnt, P9_TREADLINK, "d", fid->fid); if (IS_ERR(req)) @@ -2219,7 +2219,7 @@ int p9_client_readlink(struct p9_fid *fid, char **target) trace_9p_protocol_dump(clnt, req->rc); goto error; } - P9_DPRINTK(P9_DEBUG_9P, "<<< RREADLINK target %s\n", *target); + p9_debug(P9_DEBUG_9P, "<<< RREADLINK target %s\n", *target); error: p9_free_req(clnt, req); return err; diff --git a/net/9p/error.c b/net/9p/error.c index 52518512a93e..2ab2de76010f 100644 --- a/net/9p/error.c +++ b/net/9p/error.c @@ -27,6 +27,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/list.h> #include <linux/jhash.h> @@ -237,8 +239,8 @@ int p9_errstr2errno(char *errstr, int len) if (errno == 0) { /* TODO: if error isn't found, add it dynamically */ errstr[len] = 0; - printk(KERN_ERR "%s: server reported unknown error %s\n", - __func__, errstr); + pr_err("%s: server reported unknown error %s\n", + __func__, errstr); errno = ESERVERFAULT; } diff --git a/net/9p/mod.c b/net/9p/mod.c index 2664d1292291..6ab36aea7727 100644 --- a/net/9p/mod.c +++ b/net/9p/mod.c @@ -24,7 +24,11 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> +#include <linux/errno.h> +#include <linux/sched.h> #include <linux/moduleparam.h> #include <net/9p/9p.h> #include <linux/fs.h> @@ -39,6 +43,29 @@ unsigned int p9_debug_level = 0; /* feature-rific global debug level */ EXPORT_SYMBOL(p9_debug_level); module_param_named(debug, p9_debug_level, uint, 0); MODULE_PARM_DESC(debug, "9P debugging level"); + +void _p9_debug(enum p9_debug_flags level, const char *func, + const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + + if ((p9_debug_level & level) != level) + return; + + va_start(args, fmt); + + vaf.fmt = fmt; + vaf.va = &args; + + if (level == P9_DEBUG_9P) + pr_notice("(%8.8d) %pV", task_pid_nr(current), &vaf); + else + pr_notice("-- %s (%d): %pV", func, task_pid_nr(current), &vaf); + + va_end(args); +} +EXPORT_SYMBOL(_p9_debug); #endif /* @@ -147,7 +174,7 @@ static int __init init_p9(void) int ret = 0; p9_error_init(); - printk(KERN_INFO "Installing 9P2000 support\n"); + pr_info("Installing 9P2000 support\n"); p9_trans_fd_init(); return ret; @@ -160,7 +187,7 @@ static int __init init_p9(void) static void __exit exit_p9(void) { - printk(KERN_INFO "Unloading 9P2000 support\n"); + pr_info("Unloading 9P2000 support\n"); p9_trans_fd_exit(); } diff --git a/net/9p/protocol.c b/net/9p/protocol.c index 55e10a96c902..9ee48cb30179 100644 --- a/net/9p/protocol.c +++ b/net/9p/protocol.c @@ -534,7 +534,7 @@ int p9stat_read(struct p9_client *clnt, char *buf, int len, struct p9_wstat *st) ret = p9pdu_readf(&fake_pdu, clnt->proto_version, "S", st); if (ret) { - P9_DPRINTK(P9_DEBUG_9P, "<<< p9stat_read failed: %d\n", ret); + p9_debug(P9_DEBUG_9P, "<<< p9stat_read failed: %d\n", ret); trace_9p_protocol_dump(clnt, &fake_pdu); } @@ -558,8 +558,8 @@ int p9pdu_finalize(struct p9_client *clnt, struct p9_fcall *pdu) pdu->size = size; trace_9p_protocol_dump(clnt, pdu); - P9_DPRINTK(P9_DEBUG_9P, ">>> size=%d type: %d tag: %d\n", pdu->size, - pdu->id, pdu->tag); + p9_debug(P9_DEBUG_9P, ">>> size=%d type: %d tag: %d\n", + pdu->size, pdu->id, pdu->tag); return err; } @@ -585,7 +585,7 @@ int p9dirent_read(struct p9_client *clnt, char *buf, int len, ret = p9pdu_readf(&fake_pdu, clnt->proto_version, "Qqbs", &dirent->qid, &dirent->d_off, &dirent->d_type, &nameptr); if (ret) { - P9_DPRINTK(P9_DEBUG_9P, "<<< p9dirent_read failed: %d\n", ret); + p9_debug(P9_DEBUG_9P, "<<< p9dirent_read failed: %d\n", ret); trace_9p_protocol_dump(clnt, &fake_pdu); goto out; } diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index fdfdb5747f63..fccae26fa674 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -25,6 +25,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/in.h> #include <linux/module.h> #include <linux/net.h> @@ -191,7 +193,7 @@ static void p9_conn_cancel(struct p9_conn *m, int err) unsigned long flags; LIST_HEAD(cancel_list); - P9_DPRINTK(P9_DEBUG_ERROR, "mux %p err %d\n", m, err); + p9_debug(P9_DEBUG_ERROR, "mux %p err %d\n", m, err); spin_lock_irqsave(&m->client->lock, flags); @@ -217,7 +219,7 @@ static void p9_conn_cancel(struct p9_conn *m, int err) spin_unlock_irqrestore(&m->client->lock, flags); list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) { - P9_DPRINTK(P9_DEBUG_ERROR, "call back req %p\n", req); + p9_debug(P9_DEBUG_ERROR, "call back req %p\n", req); list_del(&req->req_list); p9_client_cb(m->client, req); } @@ -275,7 +277,7 @@ static int p9_fd_read(struct p9_client *client, void *v, int len) return -EREMOTEIO; if (!(ts->rd->f_flags & O_NONBLOCK)) - P9_DPRINTK(P9_DEBUG_ERROR, "blocking read ...\n"); + p9_debug(P9_DEBUG_ERROR, "blocking read ...\n"); ret = kernel_read(ts->rd, ts->rd->f_pos, v, len); if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN) @@ -299,7 +301,7 @@ static void p9_read_work(struct work_struct *work) if (m->err < 0) return; - P9_DPRINTK(P9_DEBUG_TRANS, "start mux %p pos %d\n", m, m->rpos); + p9_debug(P9_DEBUG_TRANS, "start mux %p pos %d\n", m, m->rpos); if (!m->rbuf) { m->rbuf = m->tmp_buf; @@ -308,11 +310,11 @@ static void p9_read_work(struct work_struct *work) } clear_bit(Rpending, &m->wsched); - P9_DPRINTK(P9_DEBUG_TRANS, "read mux %p pos %d size: %d = %d\n", m, - m->rpos, m->rsize, m->rsize-m->rpos); + p9_debug(P9_DEBUG_TRANS, "read mux %p pos %d size: %d = %d\n", + m, m->rpos, m->rsize, m->rsize-m->rpos); err = p9_fd_read(m->client, m->rbuf + m->rpos, m->rsize - m->rpos); - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p got %d bytes\n", m, err); + p9_debug(P9_DEBUG_TRANS, "mux %p got %d bytes\n", m, err); if (err == -EAGAIN) { clear_bit(Rworksched, &m->wsched); return; @@ -325,25 +327,25 @@ static void p9_read_work(struct work_struct *work) if ((!m->req) && (m->rpos == m->rsize)) { /* header read in */ u16 tag; - P9_DPRINTK(P9_DEBUG_TRANS, "got new header\n"); + p9_debug(P9_DEBUG_TRANS, "got new header\n"); n = le32_to_cpu(*(__le32 *) m->rbuf); /* read packet size */ if (n >= m->client->msize) { - P9_DPRINTK(P9_DEBUG_ERROR, - "requested packet size too big: %d\n", n); + p9_debug(P9_DEBUG_ERROR, + "requested packet size too big: %d\n", n); err = -EIO; goto error; } tag = le16_to_cpu(*(__le16 *) (m->rbuf+5)); /* read tag */ - P9_DPRINTK(P9_DEBUG_TRANS, - "mux %p pkt: size: %d bytes tag: %d\n", m, n, tag); + p9_debug(P9_DEBUG_TRANS, + "mux %p pkt: size: %d bytes tag: %d\n", m, n, tag); m->req = p9_tag_lookup(m->client, tag); if (!m->req || (m->req->status != REQ_STATUS_SENT && m->req->status != REQ_STATUS_FLSH)) { - P9_DPRINTK(P9_DEBUG_ERROR, "Unexpected packet tag %d\n", - tag); + p9_debug(P9_DEBUG_ERROR, "Unexpected packet tag %d\n", + tag); err = -EIO; goto error; } @@ -364,7 +366,7 @@ static void p9_read_work(struct work_struct *work) /* not an else because some packets (like clunk) have no payload */ if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */ - P9_DPRINTK(P9_DEBUG_TRANS, "got new packet\n"); + p9_debug(P9_DEBUG_TRANS, "got new packet\n"); spin_lock(&m->client->lock); if (m->req->status != REQ_STATUS_ERROR) m->req->status = REQ_STATUS_RCVD; @@ -384,7 +386,7 @@ static void p9_read_work(struct work_struct *work) n = p9_fd_poll(m->client, NULL); if (n & POLLIN) { - P9_DPRINTK(P9_DEBUG_TRANS, "sched read work %p\n", m); + p9_debug(P9_DEBUG_TRANS, "sched read work %p\n", m); schedule_work(&m->rq); } else clear_bit(Rworksched, &m->wsched); @@ -418,7 +420,7 @@ static int p9_fd_write(struct p9_client *client, void *v, int len) return -EREMOTEIO; if (!(ts->wr->f_flags & O_NONBLOCK)) - P9_DPRINTK(P9_DEBUG_ERROR, "blocking write ...\n"); + p9_debug(P9_DEBUG_ERROR, "blocking write ...\n"); oldfs = get_fs(); set_fs(get_ds()); @@ -460,7 +462,7 @@ static void p9_write_work(struct work_struct *work) req = list_entry(m->unsent_req_list.next, struct p9_req_t, req_list); req->status = REQ_STATUS_SENT; - P9_DPRINTK(P9_DEBUG_TRANS, "move req %p\n", req); + p9_debug(P9_DEBUG_TRANS, "move req %p\n", req); list_move_tail(&req->req_list, &m->req_list); m->wbuf = req->tc->sdata; @@ -469,11 +471,11 @@ static void p9_write_work(struct work_struct *work) spin_unlock(&m->client->lock); } - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p pos %d size %d\n", m, m->wpos, - m->wsize); + p9_debug(P9_DEBUG_TRANS, "mux %p pos %d size %d\n", + m, m->wpos, m->wsize); clear_bit(Wpending, &m->wsched); err = p9_fd_write(m->client, m->wbuf + m->wpos, m->wsize - m->wpos); - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p sent %d bytes\n", m, err); + p9_debug(P9_DEBUG_TRANS, "mux %p sent %d bytes\n", m, err); if (err == -EAGAIN) { clear_bit(Wworksched, &m->wsched); return; @@ -497,7 +499,7 @@ static void p9_write_work(struct work_struct *work) n = p9_fd_poll(m->client, NULL); if (n & POLLOUT) { - P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m); + p9_debug(P9_DEBUG_TRANS, "sched write work %p\n", m); schedule_work(&m->wq); } else clear_bit(Wworksched, &m->wsched); @@ -551,7 +553,7 @@ p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p) } if (!pwait) { - P9_DPRINTK(P9_DEBUG_ERROR, "not enough wait_address slots\n"); + p9_debug(P9_DEBUG_ERROR, "not enough wait_address slots\n"); return; } @@ -573,8 +575,7 @@ static struct p9_conn *p9_conn_create(struct p9_client *client) int n; struct p9_conn *m; - P9_DPRINTK(P9_DEBUG_TRANS, "client %p msize %d\n", client, - client->msize); + p9_debug(P9_DEBUG_TRANS, "client %p msize %d\n", client, client->msize); m = kzalloc(sizeof(struct p9_conn), GFP_KERNEL); if (!m) return ERR_PTR(-ENOMEM); @@ -591,12 +592,12 @@ static struct p9_conn *p9_conn_create(struct p9_client *client) n = p9_fd_poll(client, &m->pt); if (n & POLLIN) { - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can read\n", m); + p9_debug(P9_DEBUG_TRANS, "mux %p can read\n", m); set_bit(Rpending, &m->wsched); } if (n & POLLOUT) { - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can write\n", m); + p9_debug(P9_DEBUG_TRANS, "mux %p can write\n", m); set_bit(Wpending, &m->wsched); } @@ -618,7 +619,7 @@ static void p9_poll_mux(struct p9_conn *m) n = p9_fd_poll(m->client, NULL); if (n < 0 || n & (POLLERR | POLLHUP | POLLNVAL)) { - P9_DPRINTK(P9_DEBUG_TRANS, "error mux %p err %d\n", m, n); + p9_debug(P9_DEBUG_TRANS, "error mux %p err %d\n", m, n); if (n >= 0) n = -ECONNRESET; p9_conn_cancel(m, n); @@ -626,19 +627,19 @@ static void p9_poll_mux(struct p9_conn *m) if (n & POLLIN) { set_bit(Rpending, &m->wsched); - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can read\n", m); + p9_debug(P9_DEBUG_TRANS, "mux %p can read\n", m); if (!test_and_set_bit(Rworksched, &m->wsched)) { - P9_DPRINTK(P9_DEBUG_TRANS, "sched read work %p\n", m); + p9_debug(P9_DEBUG_TRANS, "sched read work %p\n", m); schedule_work(&m->rq); } } if (n & POLLOUT) { set_bit(Wpending, &m->wsched); - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can write\n", m); + p9_debug(P9_DEBUG_TRANS, "mux %p can write\n", m); if ((m->wsize || !list_empty(&m->unsent_req_list)) && !test_and_set_bit(Wworksched, &m->wsched)) { - P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m); + p9_debug(P9_DEBUG_TRANS, "sched write work %p\n", m); schedule_work(&m->wq); } } @@ -661,8 +662,8 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req) struct p9_trans_fd *ts = client->trans; struct p9_conn *m = ts->conn; - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p task %p tcall %p id %d\n", m, - current, req->tc, req->tc->id); + p9_debug(P9_DEBUG_TRANS, "mux %p task %p tcall %p id %d\n", + m, current, req->tc, req->tc->id); if (m->err < 0) return m->err; @@ -686,7 +687,7 @@ static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req) { int ret = 1; - P9_DPRINTK(P9_DEBUG_TRANS, "client %p req %p\n", client, req); + p9_debug(P9_DEBUG_TRANS, "client %p req %p\n", client, req); spin_lock(&client->lock); @@ -726,8 +727,8 @@ static int parse_opts(char *params, struct p9_fd_opts *opts) tmp_options = kstrdup(params, GFP_KERNEL); if (!tmp_options) { - P9_DPRINTK(P9_DEBUG_ERROR, - "failed to allocate copy of option string\n"); + p9_debug(P9_DEBUG_ERROR, + "failed to allocate copy of option string\n"); return -ENOMEM; } options = tmp_options; @@ -741,8 +742,8 @@ static int parse_opts(char *params, struct p9_fd_opts *opts) if (token != Opt_err) { r = match_int(&args[0], &option); if (r < 0) { - P9_DPRINTK(P9_DEBUG_ERROR, - "integer field, but no integer?\n"); + p9_debug(P9_DEBUG_ERROR, + "integer field, but no integer?\n"); continue; } } @@ -801,7 +802,8 @@ static int p9_socket_open(struct p9_client *client, struct socket *csocket) csocket->sk->sk_allocation = GFP_NOIO; fd = sock_map_fd(csocket, 0); if (fd < 0) { - P9_EPRINTK(KERN_ERR, "p9_socket_open: failed to map fd\n"); + pr_err("%s (%d): failed to map fd\n", + __func__, task_pid_nr(current)); sock_release(csocket); kfree(p); return fd; @@ -837,8 +839,8 @@ static int p9_socket_open(struct p9_client *client, struct socket *csocket) static void p9_conn_destroy(struct p9_conn *m) { - P9_DPRINTK(P9_DEBUG_TRANS, "mux %p prev %p next %p\n", m, - m->mux_list.prev, m->mux_list.next); + p9_debug(P9_DEBUG_TRANS, "mux %p prev %p next %p\n", + m, m->mux_list.prev, m->mux_list.next); p9_mux_poll_stop(m); cancel_work_sync(&m->rq); @@ -919,7 +921,8 @@ p9_fd_create_tcp(struct p9_client *client, const char *addr, char *args) err = __sock_create(read_pnet(¤t->nsproxy->net_ns), PF_INET, SOCK_STREAM, IPPROTO_TCP, &csocket, 1); if (err) { - P9_EPRINTK(KERN_ERR, "p9_trans_tcp: problem creating socket\n"); + pr_err("%s (%d): problem creating socket\n", + __func__, task_pid_nr(current)); return err; } @@ -927,9 +930,8 @@ p9_fd_create_tcp(struct p9_client *client, const char *addr, char *args) (struct sockaddr *)&sin_server, sizeof(struct sockaddr_in), 0); if (err < 0) { - P9_EPRINTK(KERN_ERR, - "p9_trans_tcp: problem connecting socket to %s\n", - addr); + pr_err("%s (%d): problem connecting socket to %s\n", + __func__, task_pid_nr(current), addr); sock_release(csocket); return err; } @@ -947,8 +949,8 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args) csocket = NULL; if (strlen(addr) >= UNIX_PATH_MAX) { - P9_EPRINTK(KERN_ERR, "p9_trans_unix: address too long: %s\n", - addr); + pr_err("%s (%d): address too long: %s\n", + __func__, task_pid_nr(current), addr); return -ENAMETOOLONG; } @@ -957,15 +959,16 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args) err = __sock_create(read_pnet(¤t->nsproxy->net_ns), PF_UNIX, SOCK_STREAM, 0, &csocket, 1); if (err < 0) { - P9_EPRINTK(KERN_ERR, "p9_trans_unix: problem creating socket\n"); + pr_err("%s (%d): problem creating socket\n", + __func__, task_pid_nr(current)); + return err; } err = csocket->ops->connect(csocket, (struct sockaddr *)&sun_server, sizeof(struct sockaddr_un) - 1, 0); if (err < 0) { - P9_EPRINTK(KERN_ERR, - "p9_trans_unix: problem connecting socket: %s: %d\n", - addr, err); + pr_err("%s (%d): problem connecting socket: %s: %d\n", + __func__, task_pid_nr(current), addr, err); sock_release(csocket); return err; } @@ -983,7 +986,7 @@ p9_fd_create(struct p9_client *client, const char *addr, char *args) parse_opts(args, &opts); if (opts.rfd == ~0 || opts.wfd == ~0) { - printk(KERN_ERR "v9fs: Insufficient options for proto=fd\n"); + pr_err("Insufficient options for proto=fd\n"); return -ENOPROTOOPT; } @@ -1050,7 +1053,7 @@ static void p9_poll_workfn(struct work_struct *work) { unsigned long flags; - P9_DPRINTK(P9_DEBUG_TRANS, "start %p\n", current); + p9_debug(P9_DEBUG_TRANS, "start %p\n", current); spin_lock_irqsave(&p9_poll_lock, flags); while (!list_empty(&p9_poll_pending_list)) { @@ -1066,7 +1069,7 @@ static void p9_poll_workfn(struct work_struct *work) } spin_unlock_irqrestore(&p9_poll_lock, flags); - P9_DPRINTK(P9_DEBUG_TRANS, "finish\n"); + p9_debug(P9_DEBUG_TRANS, "finish\n"); } int p9_trans_fd_init(void) diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c index 159c50f1c6bf..2c69ddd691a1 100644 --- a/net/9p/trans_rdma.c +++ b/net/9p/trans_rdma.c @@ -26,6 +26,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/in.h> #include <linux/module.h> #include <linux/net.h> @@ -178,8 +180,8 @@ static int parse_opts(char *params, struct p9_rdma_opts *opts) tmp_options = kstrdup(params, GFP_KERNEL); if (!tmp_options) { - P9_DPRINTK(P9_DEBUG_ERROR, - "failed to allocate copy of option string\n"); + p9_debug(P9_DEBUG_ERROR, + "failed to allocate copy of option string\n"); return -ENOMEM; } options = tmp_options; @@ -192,8 +194,8 @@ static int parse_opts(char *params, struct p9_rdma_opts *opts) token = match_token(p, tokens, args); r = match_int(&args[0], &option); if (r < 0) { - P9_DPRINTK(P9_DEBUG_ERROR, - "integer field, but no integer?\n"); + p9_debug(P9_DEBUG_ERROR, + "integer field, but no integer?\n"); continue; } switch (token) { @@ -301,8 +303,7 @@ handle_recv(struct p9_client *client, struct p9_trans_rdma *rdma, return; err_out: - P9_DPRINTK(P9_DEBUG_ERROR, "req %p err %d status %d\n", - req, err, status); + p9_debug(P9_DEBUG_ERROR, "req %p err %d status %d\n", req, err, status); rdma->state = P9_RDMA_FLUSHING; client->status = Disconnected; } @@ -318,8 +319,8 @@ handle_send(struct p9_client *client, struct p9_trans_rdma *rdma, static void qp_event_handler(struct ib_event *event, void *context) { - P9_DPRINTK(P9_DEBUG_ERROR, "QP event %d context %p\n", event->event, - context); + p9_debug(P9_DEBUG_ERROR, "QP event %d context %p\n", + event->event, context); } static void cq_comp_handler(struct ib_cq *cq, void *cq_context) @@ -345,8 +346,7 @@ static void cq_comp_handler(struct ib_cq *cq, void *cq_context) break; default: - printk(KERN_ERR "9prdma: unexpected completion type, " - "c->wc_op=%d, wc.opcode=%d, status=%d\n", + pr_err("unexpected completion type, c->wc_op=%d, wc.opcode=%d, status=%d\n", c->wc_op, wc.opcode, wc.status); break; } @@ -356,7 +356,7 @@ static void cq_comp_handler(struct ib_cq *cq, void *cq_context) static void cq_event_handler(struct ib_event *e, void *v) { - P9_DPRINTK(P9_DEBUG_ERROR, "CQ event %d context %p\n", e->event, v); + p9_debug(P9_DEBUG_ERROR, "CQ event %d context %p\n", e->event, v); } static void rdma_destroy_trans(struct p9_trans_rdma *rdma) @@ -407,7 +407,7 @@ post_recv(struct p9_client *client, struct p9_rdma_context *c) return ib_post_recv(rdma->qp, &wr, &bad_wr); error: - P9_DPRINTK(P9_DEBUG_ERROR, "EIO\n"); + p9_debug(P9_DEBUG_ERROR, "EIO\n"); return -EIO; } @@ -500,7 +500,7 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req) kfree(c); kfree(rpl_context->rc); kfree(rpl_context); - P9_DPRINTK(P9_DEBUG_ERROR, "EIO\n"); + p9_debug(P9_DEBUG_ERROR, "EIO\n"); return -EIO; err_free1: kfree(rpl_context->rc); diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 32aa9834229c..3d432068f627 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -26,6 +26,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/in.h> #include <linux/module.h> #include <linux/net.h> @@ -145,7 +147,7 @@ static void req_done(struct virtqueue *vq) struct p9_req_t *req; unsigned long flags; - P9_DPRINTK(P9_DEBUG_TRANS, ": request done\n"); + p9_debug(P9_DEBUG_TRANS, ": request done\n"); while (1) { spin_lock_irqsave(&chan->lock, flags); @@ -158,8 +160,8 @@ static void req_done(struct virtqueue *vq) spin_unlock_irqrestore(&chan->lock, flags); /* Wakeup if anyone waiting for VirtIO ring space. */ wake_up(chan->vc_wq); - P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc); - P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag); + p9_debug(P9_DEBUG_TRANS, ": rc %p\n", rc); + p9_debug(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag); req = p9_tag_lookup(chan->client, rc->tag); req->status = REQ_STATUS_RCVD; p9_client_cb(chan->client, req); @@ -257,7 +259,7 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req) unsigned long flags; struct virtio_chan *chan = client->trans; - P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request\n"); + p9_debug(P9_DEBUG_TRANS, "9p debug: virtio request\n"); req->status = REQ_STATUS_SENT; req_retry: @@ -270,7 +272,8 @@ req_retry: in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, req->rc->sdata, req->rc->capacity); - err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc); + err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc, + GFP_ATOMIC); if (err < 0) { if (err == -ENOSPC) { chan->ring_bufs_avail = 0; @@ -280,20 +283,19 @@ req_retry: if (err == -ERESTARTSYS) return err; - P9_DPRINTK(P9_DEBUG_TRANS, "9p:Retry virtio request\n"); + p9_debug(P9_DEBUG_TRANS, "Retry virtio request\n"); goto req_retry; } else { spin_unlock_irqrestore(&chan->lock, flags); - P9_DPRINTK(P9_DEBUG_TRANS, - "9p debug: " - "virtio rpc add_buf returned failure"); + p9_debug(P9_DEBUG_TRANS, + "virtio rpc add_buf returned failure\n"); return -EIO; } } virtqueue_kick(chan->vq); spin_unlock_irqrestore(&chan->lock, flags); - P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request kicked\n"); + p9_debug(P9_DEBUG_TRANS, "virtio request kicked\n"); return 0; } @@ -354,7 +356,7 @@ p9_virtio_zc_request(struct p9_client *client, struct p9_req_t *req, struct page **in_pages = NULL, **out_pages = NULL; struct virtio_chan *chan = client->trans; - P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request\n"); + p9_debug(P9_DEBUG_TRANS, "virtio request\n"); if (uodata) { out_nr_pages = p9_nr_pages(uodata, outlen); @@ -413,7 +415,8 @@ req_retry_pinned: in += pack_sg_list_p(chan->sg, out + in, VIRTQUEUE_NUM, in_pages, in_nr_pages, uidata, inlen); - err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc); + err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc, + GFP_ATOMIC); if (err < 0) { if (err == -ENOSPC) { chan->ring_bufs_avail = 0; @@ -423,20 +426,19 @@ req_retry_pinned: if (err == -ERESTARTSYS) goto err_out; - P9_DPRINTK(P9_DEBUG_TRANS, "9p:Retry virtio request\n"); + p9_debug(P9_DEBUG_TRANS, "Retry virtio request\n"); goto req_retry_pinned; } else { spin_unlock_irqrestore(&chan->lock, flags); - P9_DPRINTK(P9_DEBUG_TRANS, - "9p debug: " - "virtio rpc add_buf returned failure"); + p9_debug(P9_DEBUG_TRANS, + "virtio rpc add_buf returned failure\n"); err = -EIO; goto err_out; } } virtqueue_kick(chan->vq); spin_unlock_irqrestore(&chan->lock, flags); - P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request kicked\n"); + p9_debug(P9_DEBUG_TRANS, "virtio request kicked\n"); err = wait_event_interruptible(*req->wq, req->status >= REQ_STATUS_RCVD); /* @@ -491,7 +493,7 @@ static int p9_virtio_probe(struct virtio_device *vdev) chan = kmalloc(sizeof(struct virtio_chan), GFP_KERNEL); if (!chan) { - printk(KERN_ERR "9p: Failed to allocate virtio 9P channel\n"); + pr_err("Failed to allocate virtio 9P channel\n"); err = -ENOMEM; goto fail; } @@ -592,7 +594,7 @@ p9_virtio_create(struct p9_client *client, const char *devname, char *args) mutex_unlock(&virtio_9p_lock); if (!found) { - printk(KERN_ERR "9p: no channels available\n"); + pr_err("no channels available\n"); return ret; } diff --git a/net/9p/util.c b/net/9p/util.c index 9c1c9348ac35..6ceeeb384de7 100644 --- a/net/9p/util.c +++ b/net/9p/util.c @@ -106,7 +106,7 @@ retry: else if (error) return -1; - P9_DPRINTK(P9_DEBUG_MUX, " id %d pool %p\n", i, p); + p9_debug(P9_DEBUG_MUX, " id %d pool %p\n", i, p); return i; } EXPORT_SYMBOL(p9_idpool_get); @@ -124,7 +124,7 @@ void p9_idpool_put(int id, struct p9_idpool *p) { unsigned long flags; - P9_DPRINTK(P9_DEBUG_MUX, " id %d pool %p\n", id, p); + p9_debug(P9_DEBUG_MUX, " id %d pool %p\n", id, p); spin_lock_irqsave(&p->lock, flags); idr_remove(&p->pool, id); diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index cdcfcabb34ab..ef92864ac625 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -156,17 +156,17 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto, void bt_sock_link(struct bt_sock_list *l, struct sock *sk) { - write_lock_bh(&l->lock); + write_lock(&l->lock); sk_add_node(sk, &l->head); - write_unlock_bh(&l->lock); + write_unlock(&l->lock); } EXPORT_SYMBOL(bt_sock_link); void bt_sock_unlink(struct bt_sock_list *l, struct sock *sk) { - write_lock_bh(&l->lock); + write_lock(&l->lock); sk_del_node_init(sk); - write_unlock_bh(&l->lock); + write_unlock(&l->lock); } EXPORT_SYMBOL(bt_sock_unlink); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 845da3ee56a0..9de93714213a 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -55,7 +55,7 @@ #define AUTO_OFF_TIMEOUT 2000 -int enable_hs; +bool enable_hs; static void hci_rx_work(struct work_struct *work); static void hci_cmd_work(struct work_struct *work); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 4221bd256bdd..001307f81057 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -711,7 +711,14 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev, if (rp->status) return; - memcpy(hdev->extfeatures, rp->features, 8); + switch (rp->page) { + case 0: + memcpy(hdev->features, rp->features, 8); + break; + case 1: + memcpy(hdev->host_features, rp->features, 8); + break; + } hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status); } @@ -1047,9 +1054,7 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, case LE_SCANNING_DISABLED: clear_bit(HCI_LE_SCAN, &hdev->dev_flags); - cancel_delayed_work_sync(&hdev->adv_work); - queue_delayed_work(hdev->workqueue, &hdev->adv_work, - jiffies + ADV_CLEAR_TIMEOUT); + schedule_delayed_work(&hdev->adv_work, ADV_CLEAR_TIMEOUT); break; default: @@ -2266,20 +2271,19 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s struct hci_ev_num_comp_pkts *ev = (void *) skb->data; int i; - skb_pull(skb, sizeof(*ev)); - - BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); - if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); return; } - if (skb->len < ev->num_hndl * 4) { + if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + + ev->num_hndl * sizeof(struct hci_comp_pkts_info)) { BT_DBG("%s bad parameters", hdev->name); return; } + BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); + for (i = 0; i < ev->num_hndl; i++) { struct hci_comp_pkts_info *info = &ev->handles[i]; struct hci_conn *conn; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 6d94616af312..0dcc96266779 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -767,7 +767,6 @@ static int hci_sock_dev_event(struct notifier_block *this, unsigned long event, /* Detach sockets from device */ read_lock(&hci_sk_list.lock); sk_for_each(sk, node, &hci_sk_list.head) { - local_bh_disable(); bh_lock_sock_nested(sk); if (hci_pi(sk)->hdev == hdev) { hci_pi(sk)->hdev = NULL; @@ -778,7 +777,6 @@ static int hci_sock_dev_event(struct notifier_block *this, unsigned long event, hci_dev_put(hdev); } bh_unlock_sock(sk); - local_bh_enable(); } read_unlock(&hci_sk_list.lock); } diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index aa78d8c4b93b..faf0b11ac1d3 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -165,7 +165,7 @@ int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm) { int err; - write_lock_bh(&chan_list_lock); + write_lock(&chan_list_lock); if (psm && __l2cap_global_chan_by_addr(psm, src)) { err = -EADDRINUSE; @@ -190,17 +190,17 @@ int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm) } done: - write_unlock_bh(&chan_list_lock); + write_unlock(&chan_list_lock); return err; } int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid) { - write_lock_bh(&chan_list_lock); + write_lock(&chan_list_lock); chan->scid = scid; - write_unlock_bh(&chan_list_lock); + write_unlock(&chan_list_lock); return 0; } @@ -289,9 +289,9 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk) chan->sk = sk; - write_lock_bh(&chan_list_lock); + write_lock(&chan_list_lock); list_add(&chan->global_l, &chan_list); - write_unlock_bh(&chan_list_lock); + write_unlock(&chan_list_lock); INIT_DELAYED_WORK(&chan->chan_timer, l2cap_chan_timeout); @@ -306,9 +306,9 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk) void l2cap_chan_destroy(struct l2cap_chan *chan) { - write_lock_bh(&chan_list_lock); + write_lock(&chan_list_lock); list_del(&chan->global_l); - write_unlock_bh(&chan_list_lock); + write_unlock(&chan_list_lock); l2cap_chan_put(chan); } @@ -543,14 +543,14 @@ static u8 l2cap_get_ident(struct l2cap_conn *conn) * 200 - 254 are used by utilities like l2ping, etc. */ - spin_lock_bh(&conn->lock); + spin_lock(&conn->lock); if (++conn->tx_ident > 128) conn->tx_ident = 1; id = conn->tx_ident; - spin_unlock_bh(&conn->lock); + spin_unlock(&conn->lock); return id; } @@ -1190,7 +1190,7 @@ inline int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, bdad } /* Set destination address and psm */ - bacpy(&bt_sk(sk)->dst, src); + bacpy(&bt_sk(sk)->dst, dst); chan->psm = psm; chan->dcid = cid; @@ -4702,7 +4702,7 @@ static int l2cap_debugfs_show(struct seq_file *f, void *p) { struct l2cap_chan *c; - read_lock_bh(&chan_list_lock); + read_lock(&chan_list_lock); list_for_each_entry(c, &chan_list, global_l) { struct sock *sk = c->sk; @@ -4715,7 +4715,7 @@ static int l2cap_debugfs_show(struct seq_file *f, void *p) c->sec_level, c->mode); } - read_unlock_bh(&chan_list_lock); + read_unlock(&chan_list_lock); return 0; } diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 9ca5616166f7..c61d967012b2 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -587,6 +587,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch if (smp_conn_security(conn, sec.level)) break; sk->sk_state = BT_CONFIG; + chan->state = BT_CONFIG; /* or for ACL link, under defer_setup time */ } else if (sk->sk_state == BT_CONNECT2 && @@ -731,6 +732,7 @@ static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct ms if (sk->sk_state == BT_CONNECT2 && bt_sk(sk)->defer_setup) { sk->sk_state = BT_CONFIG; + pi->chan->state = BT_CONFIG; __l2cap_connect_rsp_defer(pi->chan); release_sock(sk); diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 2540944d871f..bc8e59dda78e 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -291,7 +291,7 @@ static u32 get_current_settings(struct hci_dev *hdev) if (!(hdev->features[4] & LMP_NO_BREDR)) settings |= MGMT_SETTING_BREDR; - if (hdev->extfeatures[0] & LMP_HOST_LE) + if (hdev->host_features[0] & LMP_HOST_LE) settings |= MGMT_SETTING_LE; if (test_bit(HCI_AUTH, &hdev->flags)) @@ -2756,7 +2756,7 @@ int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status) if (!cmd) return -ENOENT; - err = cmd_status(cmd->sk, hdev->id, cmd->opcode, status); + err = cmd_status(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status)); mgmt_pending_remove(cmd); return err; diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index aea2bdd1510f..f066678faeee 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -370,7 +370,7 @@ static int rfcomm_sock_bind(struct socket *sock, struct sockaddr *addr, int addr goto done; } - write_lock_bh(&rfcomm_sk_list.lock); + write_lock(&rfcomm_sk_list.lock); if (sa->rc_channel && __rfcomm_get_sock_by_addr(sa->rc_channel, &sa->rc_bdaddr)) { err = -EADDRINUSE; @@ -381,7 +381,7 @@ static int rfcomm_sock_bind(struct socket *sock, struct sockaddr *addr, int addr sk->sk_state = BT_BOUND; } - write_unlock_bh(&rfcomm_sk_list.lock); + write_unlock(&rfcomm_sk_list.lock); done: release_sock(sk); @@ -455,7 +455,7 @@ static int rfcomm_sock_listen(struct socket *sock, int backlog) err = -EINVAL; - write_lock_bh(&rfcomm_sk_list.lock); + write_lock(&rfcomm_sk_list.lock); for (channel = 1; channel < 31; channel++) if (!__rfcomm_get_sock_by_addr(channel, src)) { @@ -464,7 +464,7 @@ static int rfcomm_sock_listen(struct socket *sock, int backlog) break; } - write_unlock_bh(&rfcomm_sk_list.lock); + write_unlock(&rfcomm_sk_list.lock); if (err < 0) goto done; @@ -982,7 +982,7 @@ static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p) struct sock *sk; struct hlist_node *node; - read_lock_bh(&rfcomm_sk_list.lock); + read_lock(&rfcomm_sk_list.lock); sk_for_each(sk, node, &rfcomm_sk_list.head) { seq_printf(f, "%s %s %d %d\n", @@ -991,7 +991,7 @@ static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p) sk->sk_state, rfcomm_pi(sk)->channel); } - read_unlock_bh(&rfcomm_sk_list.lock); + read_unlock(&rfcomm_sk_list.lock); return 0; } diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index fa8f4de53b99..a2d4f5122a6a 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -76,7 +76,7 @@ struct rfcomm_dev { }; static LIST_HEAD(rfcomm_dev_list); -static DEFINE_RWLOCK(rfcomm_dev_lock); +static DEFINE_SPINLOCK(rfcomm_dev_lock); static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb); static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err); @@ -146,7 +146,7 @@ static inline struct rfcomm_dev *rfcomm_dev_get(int id) { struct rfcomm_dev *dev; - read_lock(&rfcomm_dev_lock); + spin_lock(&rfcomm_dev_lock); dev = __rfcomm_dev_get(id); @@ -157,7 +157,7 @@ static inline struct rfcomm_dev *rfcomm_dev_get(int id) rfcomm_dev_hold(dev); } - read_unlock(&rfcomm_dev_lock); + spin_unlock(&rfcomm_dev_lock); return dev; } @@ -205,7 +205,7 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) if (!dev) return -ENOMEM; - write_lock_bh(&rfcomm_dev_lock); + spin_lock(&rfcomm_dev_lock); if (req->dev_id < 0) { dev->id = 0; @@ -290,7 +290,7 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) __module_get(THIS_MODULE); out: - write_unlock_bh(&rfcomm_dev_lock); + spin_unlock(&rfcomm_dev_lock); if (err < 0) goto free; @@ -327,9 +327,9 @@ static void rfcomm_dev_del(struct rfcomm_dev *dev) if (atomic_read(&dev->opened) > 0) return; - write_lock_bh(&rfcomm_dev_lock); + spin_lock(&rfcomm_dev_lock); list_del_init(&dev->list); - write_unlock_bh(&rfcomm_dev_lock); + spin_unlock(&rfcomm_dev_lock); rfcomm_dev_put(dev); } @@ -473,7 +473,7 @@ static int rfcomm_get_dev_list(void __user *arg) di = dl->dev_info; - read_lock_bh(&rfcomm_dev_lock); + spin_lock(&rfcomm_dev_lock); list_for_each_entry(dev, &rfcomm_dev_list, list) { if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags)) @@ -488,7 +488,7 @@ static int rfcomm_get_dev_list(void __user *arg) break; } - read_unlock_bh(&rfcomm_dev_lock); + spin_unlock(&rfcomm_dev_lock); dl->dev_num = n; size = sizeof(*dl) + n * sizeof(*di); @@ -766,9 +766,9 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp) rfcomm_dlc_unlock(dev->dlc); if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags)) { - write_lock_bh(&rfcomm_dev_lock); + spin_lock(&rfcomm_dev_lock); list_del_init(&dev->list); - write_unlock_bh(&rfcomm_dev_lock); + spin_unlock(&rfcomm_dev_lock); rfcomm_dev_put(dev); } diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 5dc2f2126fac..8bf26d1bc5c1 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -482,7 +482,7 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le goto done; } - write_lock_bh(&sco_sk_list.lock); + write_lock(&sco_sk_list.lock); if (bacmp(src, BDADDR_ANY) && __sco_get_sock_by_addr(src)) { err = -EADDRINUSE; @@ -492,7 +492,7 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le sk->sk_state = BT_BOUND; } - write_unlock_bh(&sco_sk_list.lock); + write_unlock(&sco_sk_list.lock); done: release_sock(sk); @@ -965,14 +965,14 @@ static int sco_debugfs_show(struct seq_file *f, void *p) struct sock *sk; struct hlist_node *node; - read_lock_bh(&sco_sk_list.lock); + read_lock(&sco_sk_list.lock); sk_for_each(sk, node, &sco_sk_list.head) { seq_printf(f, "%s %s %d\n", batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst), sk->sk_state); } - read_unlock_bh(&sco_sk_list.lock); + read_unlock(&sco_sk_list.lock); return 0; } diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index f963f6b1884f..5ba0c844d508 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -146,7 +146,7 @@ void br_fdb_cleanup(unsigned long _data) unsigned long next_timer = jiffies + br->ageing_time; int i; - spin_lock_bh(&br->hash_lock); + spin_lock(&br->hash_lock); for (i = 0; i < BR_HASH_SIZE; i++) { struct net_bridge_fdb_entry *f; struct hlist_node *h, *n; @@ -162,7 +162,7 @@ void br_fdb_cleanup(unsigned long _data) next_timer = this_timer; } } - spin_unlock_bh(&br->hash_lock); + spin_unlock(&br->hash_lock); mod_timer(&br->gc_timer, round_jiffies_up(next_timer)); } diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index b0ce14fbf6ef..82c57069415f 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -59,8 +59,6 @@ struct cfcnfg *get_cfcnfg(struct net *net) { struct caif_net *caifn; caifn = net_generic(net, caif_net_id); - if (!caifn) - return NULL; return caifn->cfg; } EXPORT_SYMBOL(get_cfcnfg); @@ -69,19 +67,17 @@ static struct caif_device_entry_list *caif_device_list(struct net *net) { struct caif_net *caifn; caifn = net_generic(net, caif_net_id); - if (!caifn) - return NULL; return &caifn->caifdevs; } static void caifd_put(struct caif_device_entry *e) { - irqsafe_cpu_dec(*e->pcpu_refcnt); + this_cpu_dec(*e->pcpu_refcnt); } static void caifd_hold(struct caif_device_entry *e) { - irqsafe_cpu_inc(*e->pcpu_refcnt); + this_cpu_inc(*e->pcpu_refcnt); } static int caifd_refcnt_read(struct caif_device_entry *e) @@ -99,8 +95,6 @@ static struct caif_device_entry *caif_device_alloc(struct net_device *dev) struct caif_device_entry *caifd; caifdevs = caif_device_list(dev_net(dev)); - if (!caifdevs) - return NULL; caifd = kzalloc(sizeof(*caifd), GFP_KERNEL); if (!caifd) @@ -120,8 +114,6 @@ static struct caif_device_entry *caif_get(struct net_device *dev) struct caif_device_entry_list *caifdevs = caif_device_list(dev_net(dev)); struct caif_device_entry *caifd; - if (!caifdevs) - return NULL; list_for_each_entry_rcu(caifd, &caifdevs->list, list) { if (caifd->netdev == dev) @@ -146,15 +138,17 @@ void caif_flow_cb(struct sk_buff *skb) spin_lock_bh(&caifd->flow_lock); send_xoff = caifd->xoff; caifd->xoff = 0; - if (!WARN_ON(caifd->xoff_skb_dtor == NULL)) { - WARN_ON(caifd->xoff_skb != skb); - dtor = caifd->xoff_skb_dtor; - caifd->xoff_skb = NULL; - caifd->xoff_skb_dtor = NULL; - } + dtor = caifd->xoff_skb_dtor; + + if (WARN_ON(caifd->xoff_skb != skb)) + skb = NULL; + + caifd->xoff_skb = NULL; + caifd->xoff_skb_dtor = NULL; + spin_unlock_bh(&caifd->flow_lock); - if (dtor) + if (dtor && skb) dtor(skb); if (send_xoff) @@ -319,8 +313,6 @@ void caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev, struct caif_device_entry_list *caifdevs; caifdevs = caif_device_list(dev_net(dev)); - if (!cfg || !caifdevs) - return; caifd = caif_device_alloc(dev); if (!caifd) return; @@ -372,8 +364,6 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what, cfg = get_cfcnfg(dev_net(dev)); caifdevs = caif_device_list(dev_net(dev)); - if (!cfg || !caifdevs) - return 0; caifd = caif_get(dev); if (caifd == NULL && dev->type != ARPHRD_CAIF) @@ -505,9 +495,6 @@ static struct notifier_block caif_device_notifier = { static int caif_init_net(struct net *net) { struct caif_net *caifn = net_generic(net, caif_net_id); - if (WARN_ON(!caifn)) - return -EINVAL; - INIT_LIST_HEAD(&caifn->caifdevs.list); mutex_init(&caifn->caifdevs.lock); @@ -525,9 +512,6 @@ static void caif_exit_net(struct net *net) caif_device_list(net); struct cfcnfg *cfg = get_cfcnfg(net); - if (!cfg || !caifdevs) - return; - rtnl_lock(); mutex_lock(&caifdevs->lock); @@ -567,7 +551,7 @@ static int __init caif_device_init(void) { int result; - result = register_pernet_device(&caif_net_ops); + result = register_pernet_subsys(&caif_net_ops); if (result) return result; @@ -580,7 +564,7 @@ static int __init caif_device_init(void) static void __exit caif_device_exit(void) { - unregister_pernet_device(&caif_net_ops); + unregister_pernet_subsys(&caif_net_ops); unregister_netdevice_notifier(&caif_device_notifier); dev_remove_pack(&caif_packet_type); } diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c index 5fc9eca8cd41..fd7cbf5aa895 100644 --- a/net/caif/caif_usb.c +++ b/net/caif/caif_usb.c @@ -11,7 +11,6 @@ #include <linux/module.h> #include <linux/netdevice.h> #include <linux/slab.h> -#include <linux/netdevice.h> #include <linux/mii.h> #include <linux/usb.h> #include <linux/usb/usbnet.h> @@ -27,7 +26,7 @@ MODULE_LICENSE("GPL"); #define CFUSB_ALIGNMENT 4 /* Number of bytes to align. */ #define CFUSB_MAX_HEADLEN (CFUSB_PAD_DESCR_SZ + CFUSB_ALIGNMENT-1) #define STE_USB_VID 0x04cc /* USB Product ID for ST-Ericsson */ -#define STE_USB_PID_CAIF 0x2306 /* Product id for CAIF Modems */ +#define STE_USB_PID_CAIF 0x230f /* Product id for CAIF Modems */ struct cfusbl { struct cflayer layer; diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c index 598aafb4cb51..ba9cfd47778a 100644 --- a/net/caif/cfcnfg.c +++ b/net/caif/cfcnfg.c @@ -309,7 +309,6 @@ int caif_connect_client(struct net *net, struct caif_connect_request *conn_req, int err; struct cfctrl_link_param param; struct cfcnfg *cfg = get_cfcnfg(net); - caif_assert(cfg != NULL); rcu_read_lock(); err = caif_connect_req_to_link_param(cfg, conn_req, ¶m); diff --git a/net/caif/cffrml.c b/net/caif/cffrml.c index d3ca87bf23b7..0a7df7ef062d 100644 --- a/net/caif/cffrml.c +++ b/net/caif/cffrml.c @@ -177,14 +177,14 @@ void cffrml_put(struct cflayer *layr) { struct cffrml *this = container_obj(layr); if (layr != NULL && this->pcpu_refcnt != NULL) - irqsafe_cpu_dec(*this->pcpu_refcnt); + this_cpu_dec(*this->pcpu_refcnt); } void cffrml_hold(struct cflayer *layr) { struct cffrml *this = container_obj(layr); if (layr != NULL && this->pcpu_refcnt != NULL) - irqsafe_cpu_inc(*this->pcpu_refcnt); + this_cpu_inc(*this->pcpu_refcnt); } int cffrml_refcnt_read(struct cflayer *layr) diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 97f70e50ad3b..761ad9d6cc3b 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -85,8 +85,6 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid) } else { pr_info("client%lld fsid %pU\n", ceph_client_id(client), fsid); memcpy(&client->fsid, fsid, sizeof(*fsid)); - ceph_debugfs_client_init(client); - client->have_fsid = true; } return 0; } diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c index 3a94eae7abe9..b79747c4b645 100644 --- a/net/ceph/crush/mapper.c +++ b/net/ceph/crush/mapper.c @@ -510,10 +510,15 @@ int crush_do_rule(struct crush_map *map, switch (rule->steps[step].op) { case CRUSH_RULE_TAKE: w[0] = rule->steps[step].arg1; - if (force_pos >= 0) { - BUG_ON(force_context[force_pos] != w[0]); + + /* find position in force_context/hierarchy */ + while (force_pos >= 0 && + force_context[force_pos] != w[0]) force_pos--; - } + /* and move past it */ + if (force_pos >= 0) + force_pos--; + wsize = 1; break; diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c index 85f3bc0a7062..b780cb7947dd 100644 --- a/net/ceph/crypto.c +++ b/net/ceph/crypto.c @@ -15,10 +15,9 @@ int ceph_crypto_key_clone(struct ceph_crypto_key *dst, const struct ceph_crypto_key *src) { memcpy(dst, src, sizeof(struct ceph_crypto_key)); - dst->key = kmalloc(src->len, GFP_NOFS); + dst->key = kmemdup(src->key, src->len, GFP_NOFS); if (!dst->key) return -ENOMEM; - memcpy(dst->key, src->key, src->len); return 0; } diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 0b62deae42bd..1845cde26227 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -8,8 +8,8 @@ #include <linux/ceph/mon_client.h> #include <linux/ceph/libceph.h> +#include <linux/ceph/debugfs.h> #include <linux/ceph/decode.h> - #include <linux/ceph/auth.h> /* @@ -340,8 +340,19 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc, client->monc.monmap = monmap; kfree(old); + if (!client->have_fsid) { + client->have_fsid = true; + mutex_unlock(&monc->mutex); + /* + * do debugfs initialization without mutex to avoid + * creating a locking dependency + */ + ceph_debugfs_client_init(client); + goto out_unlocked; + } out: mutex_unlock(&monc->mutex); +out_unlocked: wake_up_all(&client->auth_wq); } diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index f4f3f58f5234..5e254055c910 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -29,8 +29,8 @@ static void __register_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req); static void __unregister_linger_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req); -static int __send_request(struct ceph_osd_client *osdc, - struct ceph_osd_request *req); +static void __send_request(struct ceph_osd_client *osdc, + struct ceph_osd_request *req); static int op_needs_trail(int op) { @@ -1022,8 +1022,8 @@ out: /* * caller should hold map_sem (for read) and request_mutex */ -static int __send_request(struct ceph_osd_client *osdc, - struct ceph_osd_request *req) +static void __send_request(struct ceph_osd_client *osdc, + struct ceph_osd_request *req) { struct ceph_osd_request_head *reqhead; @@ -1041,7 +1041,6 @@ static int __send_request(struct ceph_osd_client *osdc, ceph_msg_get(req->r_request); /* send consumes a ref */ ceph_con_send(&req->r_osd->o_con, req->r_request); req->r_sent = req->r_osd->o_incarnation; - return 0; } /* @@ -1726,17 +1725,9 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, dout("send_request %p no up osds in pg\n", req); ceph_monc_request_next_osdmap(&osdc->client->monc); } else { - rc = __send_request(osdc, req); - if (rc) { - if (nofail) { - dout("osdc_start_request failed send, " - " will retry %lld\n", req->r_tid); - rc = 0; - } else { - __unregister_request(osdc, req); - } - } + __send_request(osdc, req); } + rc = 0; } out_unlock: diff --git a/net/core/dev.c b/net/core/dev.c index f494675471a9..115dee1d985d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1887,6 +1887,23 @@ void skb_set_dev(struct sk_buff *skb, struct net_device *dev) EXPORT_SYMBOL(skb_set_dev); #endif /* CONFIG_NET_NS */ +static void skb_warn_bad_offload(const struct sk_buff *skb) +{ + static const netdev_features_t null_features = 0; + struct net_device *dev = skb->dev; + const char *driver = ""; + + if (dev && dev->dev.parent) + driver = dev_driver_string(dev->dev.parent); + + WARN(1, "%s: caps=(%pNF, %pNF) len=%d data_len=%d gso_size=%d " + "gso_type=%d ip_summed=%d\n", + driver, dev ? &dev->features : &null_features, + skb->sk ? &skb->sk->sk_route_caps : &null_features, + skb->len, skb->data_len, skb_shinfo(skb)->gso_size, + skb_shinfo(skb)->gso_type, skb->ip_summed); +} + /* * Invalidate hardware checksum when packet is to be mangled, and * complete checksum manually on outgoing path. @@ -1900,8 +1917,8 @@ int skb_checksum_help(struct sk_buff *skb) goto out_set_summed; if (unlikely(skb_shinfo(skb)->gso_size)) { - /* Let GSO fix up the checksum. */ - goto out_set_summed; + skb_warn_bad_offload(skb); + return -EINVAL; } offset = skb_checksum_start_offset(skb); @@ -1961,16 +1978,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, __skb_pull(skb, skb->mac_len); if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) { - struct net_device *dev = skb->dev; - struct ethtool_drvinfo info = {}; - - if (dev && dev->ethtool_ops && dev->ethtool_ops->get_drvinfo) - dev->ethtool_ops->get_drvinfo(dev, &info); - - WARN(1, "%s: caps=(%pNF, %pNF) len=%d data_len=%d ip_summed=%d\n", - info.driver, dev ? &dev->features : NULL, - skb->sk ? &skb->sk->sk_route_caps : NULL, - skb->len, skb->data_len, skb->ip_summed); + skb_warn_bad_offload(skb); if (skb_header_cloned(skb) && (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index febba516db62..29c07fef9228 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -427,7 +427,7 @@ EXPORT_SYMBOL(dev_uc_del); * * Add newly added addresses to the destination device and release * addresses that have no users left. The source device must be - * locked by netif_tx_lock_bh. + * locked by netif_addr_lock_bh. * * This function is intended to be called from the dev->set_rx_mode * function of layered software devices. @@ -439,11 +439,11 @@ int dev_uc_sync(struct net_device *to, struct net_device *from) if (to->addr_len != from->addr_len) return -EINVAL; - netif_addr_lock_bh(to); + netif_addr_lock_nested(to); err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len); if (!err) __dev_set_rx_mode(to); - netif_addr_unlock_bh(to); + netif_addr_unlock(to); return err; } EXPORT_SYMBOL(dev_uc_sync); @@ -463,7 +463,7 @@ void dev_uc_unsync(struct net_device *to, struct net_device *from) return; netif_addr_lock_bh(from); - netif_addr_lock(to); + netif_addr_lock_nested(to); __hw_addr_unsync(&to->uc, &from->uc, to->addr_len); __dev_set_rx_mode(to); netif_addr_unlock(to); @@ -590,7 +590,7 @@ EXPORT_SYMBOL(dev_mc_del_global); * * Add newly added addresses to the destination device and release * addresses that have no users left. The source device must be - * locked by netif_tx_lock_bh. + * locked by netif_addr_lock_bh. * * This function is intended to be called from the ndo_set_rx_mode * function of layered software devices. @@ -602,11 +602,11 @@ int dev_mc_sync(struct net_device *to, struct net_device *from) if (to->addr_len != from->addr_len) return -EINVAL; - netif_addr_lock_bh(to); + netif_addr_lock_nested(to); err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len); if (!err) __dev_set_rx_mode(to); - netif_addr_unlock_bh(to); + netif_addr_unlock(to); return err; } EXPORT_SYMBOL(dev_mc_sync); @@ -626,7 +626,7 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from) return; netif_addr_lock_bh(from); - netif_addr_lock(to); + netif_addr_lock_nested(to); __hw_addr_unsync(&to->mc, &from->mc, to->addr_len); __dev_set_rx_mode(to); netif_addr_unlock(to); diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 921aa2b4b415..369b41894527 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -1311,6 +1311,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr) case ETHTOOL_GRXCSUM: case ETHTOOL_GTXCSUM: case ETHTOOL_GSG: + case ETHTOOL_GSSET_INFO: case ETHTOOL_GSTRINGS: case ETHTOOL_GTSO: case ETHTOOL_GPERMADDR: diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 0985b9b14b80..a225089df5b6 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -1,4 +1,5 @@ #include <linux/skbuff.h> +#include <linux/export.h> #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/if_vlan.h> diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index abf4393a77b3..a1727cda03d7 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -929,7 +929,7 @@ static ssize_t bql_show_inflight(struct netdev_queue *queue, } static struct netdev_queue_attribute bql_inflight_attribute = - __ATTR(inflight, S_IRUGO | S_IWUSR, bql_show_inflight, NULL); + __ATTR(inflight, S_IRUGO, bql_show_inflight, NULL); #define BQL_ATTR(NAME, FIELD) \ static ssize_t bql_show_ ## NAME(struct netdev_queue *queue, \ @@ -1177,9 +1177,9 @@ static ssize_t store_xps_map(struct netdev_queue *queue, nonempty = 1; } - if (nonempty) - RCU_INIT_POINTER(dev->xps_maps, new_dev_maps); - else { + if (nonempty) { + rcu_assign_pointer(dev->xps_maps, new_dev_maps); + } else { kfree(new_dev_maps); RCU_INIT_POINTER(dev->xps_maps, NULL); } diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index aefcd7acbffa..0e950fda9a0a 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -30,6 +30,20 @@ EXPORT_SYMBOL(init_net); #define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */ +static unsigned int max_gen_ptrs = INITIAL_NET_GEN_PTRS; + +static struct net_generic *net_alloc_generic(void) +{ + struct net_generic *ng; + size_t generic_size = offsetof(struct net_generic, ptr[max_gen_ptrs]); + + ng = kzalloc(generic_size, GFP_KERNEL); + if (ng) + ng->len = max_gen_ptrs; + + return ng; +} + static int net_assign_generic(struct net *net, int id, void *data) { struct net_generic *ng, *old_ng; @@ -43,8 +57,7 @@ static int net_assign_generic(struct net *net, int id, void *data) if (old_ng->len >= id) goto assign; - ng = kzalloc(sizeof(struct net_generic) + - id * sizeof(void *), GFP_KERNEL); + ng = net_alloc_generic(); if (ng == NULL) return -ENOMEM; @@ -59,7 +72,6 @@ static int net_assign_generic(struct net *net, int id, void *data) * the old copy for kfree after a grace period. */ - ng->len = id; memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*)); rcu_assign_pointer(net->gen, ng); @@ -161,18 +173,6 @@ out_undo: goto out; } -static struct net_generic *net_alloc_generic(void) -{ - struct net_generic *ng; - size_t generic_size = sizeof(struct net_generic) + - INITIAL_NET_GEN_PTRS * sizeof(void *); - - ng = kzalloc(generic_size, GFP_KERNEL); - if (ng) - ng->len = INITIAL_NET_GEN_PTRS; - - return ng; -} #ifdef CONFIG_NET_NS static struct kmem_cache *net_cachep; @@ -483,6 +483,7 @@ again: } return error; } + max_gen_ptrs = max_t(unsigned int, max_gen_ptrs, *ops->id); } error = __register_pernet_operations(list, ops); if (error) { diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 0d38808a2305..556b08298669 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -765,7 +765,7 @@ int __netpoll_setup(struct netpoll *np) } /* last thing to do is link it to the net device structure */ - RCU_INIT_POINTER(ndev->npinfo, npinfo); + rcu_assign_pointer(ndev->npinfo, npinfo); return 0; diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 449fe0f068f8..4d8ce93cd503 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -767,8 +767,8 @@ done: return i; } -static unsigned long num_arg(const char __user * user_buffer, - unsigned long maxlen, unsigned long *num) +static long num_arg(const char __user *user_buffer, unsigned long maxlen, + unsigned long *num) { int i; *num = 0; @@ -2024,13 +2024,13 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev) pr_warning("WARNING: Requested queue_map_min (zero-based) (%d) exceeds valid range [0 - %d] for (%d) queues on %s, resetting\n", pkt_dev->queue_map_min, (ntxq ?: 1) - 1, ntxq, pkt_dev->odevname); - pkt_dev->queue_map_min = ntxq - 1; + pkt_dev->queue_map_min = (ntxq ?: 1) - 1; } if (pkt_dev->queue_map_max >= ntxq) { pr_warning("WARNING: Requested queue_map_max (zero-based) (%d) exceeds valid range [0 - %d] for (%d) queues on %s, resetting\n", pkt_dev->queue_map_max, (ntxq ?: 1) - 1, ntxq, pkt_dev->odevname); - pkt_dev->queue_map_max = ntxq - 1; + pkt_dev->queue_map_max = (ntxq ?: 1) - 1; } /* Default to the interface's mac if not explicitly set. */ diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index dbf2ddafd52d..65aebd450027 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1509,6 +1509,9 @@ errout: if (send_addr_notify) call_netdevice_notifiers(NETDEV_CHANGEADDR, dev); + min_ifinfo_dump_size = max_t(u16, if_nlmsg_size(dev), + min_ifinfo_dump_size); + return err; } @@ -1960,7 +1963,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) sz_idx = type>>2; kind = type&3; - if (kind != 2 && security_netlink_recv(skb, CAP_NET_ADMIN)) + if (kind != 2 && !capable(CAP_NET_ADMIN)) return -EPERM; if (kind == 2 && nlh->nlmsg_flags&NLM_F_DUMP) { diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c index 6fd44606fdd1..99b2596531bb 100644 --- a/net/core/secure_seq.c +++ b/net/core/secure_seq.c @@ -46,7 +46,7 @@ __u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr, memcpy(hash, saddr, 16); for (i = 0; i < 4; i++) - secret[i] = net_secret[i] + daddr[i]; + secret[i] = net_secret[i] + (__force u32)daddr[i]; secret[4] = net_secret[4] + (((__force u16)sport << 16) + (__force u16)dport); for (i = 5; i < MD5_MESSAGE_BYTES / 4; i++) diff --git a/net/core/sock.c b/net/core/sock.c index 002939cfc069..3e81fd2e3c75 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -112,6 +112,7 @@ #include <linux/highmem.h> #include <linux/user_namespace.h> #include <linux/jump_label.h> +#include <linux/memcontrol.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -1272,6 +1273,12 @@ void sk_release_kernel(struct sock *sk) } EXPORT_SYMBOL(sk_release_kernel); +static void sk_update_clone(const struct sock *sk, struct sock *newsk) +{ + if (mem_cgroup_sockets_enabled && sk->sk_cgrp) + sock_update_memcg(newsk); +} + /** * sk_clone_lock - clone a socket, and lock its clone * @sk: the socket to clone @@ -1362,6 +1369,8 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) sk_set_socket(newsk, NULL); newsk->sk_wq = NULL; + sk_update_clone(sk, newsk); + if (newsk->sk_prot->sockets_allocated) sk_sockets_allocated_inc(newsk); @@ -1818,7 +1827,7 @@ suppress_allocation: /* Alas. Undo changes. */ sk->sk_forward_alloc -= amt * SK_MEM_QUANTUM; - sk_memory_allocated_sub(sk, amt, parent_status); + sk_memory_allocated_sub(sk, amt); return 0; } @@ -1831,7 +1840,7 @@ EXPORT_SYMBOL(__sk_mem_schedule); void __sk_mem_reclaim(struct sock *sk) { sk_memory_allocated_sub(sk, - sk->sk_forward_alloc >> SK_MEM_QUANTUM_SHIFT, 0); + sk->sk_forward_alloc >> SK_MEM_QUANTUM_SHIFT); sk->sk_forward_alloc &= SK_MEM_QUANTUM - 1; if (sk_under_memory_pressure(sk) && diff --git a/net/dccp/diag.c b/net/dccp/diag.c index 8f1625753377..028fc43aacbd 100644 --- a/net/dccp/diag.c +++ b/net/dccp/diag.c @@ -49,13 +49,13 @@ static void dccp_diag_get_info(struct sock *sk, struct inet_diag_msg *r, } static void dccp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, - struct inet_diag_req *r, struct nlattr *bc) + struct inet_diag_req_v2 *r, struct nlattr *bc) { inet_diag_dump_icsk(&dccp_hashinfo, skb, cb, r, bc); } static int dccp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh, - struct inet_diag_req *req) + struct inet_diag_req_v2 *req) { return inet_diag_dump_one_icsk(&dccp_hashinfo, in_skb, nlh, req); } diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index 2ab16e12520c..74d321a60e7b 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -388,7 +388,7 @@ static int dn_dev_insert_ifa(struct dn_dev *dn_db, struct dn_ifaddr *ifa) } ifa->ifa_next = dn_db->ifa_list; - RCU_INIT_POINTER(dn_db->ifa_list, ifa); + rcu_assign_pointer(dn_db->ifa_list, ifa); dn_ifaddr_notify(RTM_NEWADDR, ifa); blocking_notifier_call_chain(&dnaddr_chain, NETDEV_UP, ifa); @@ -1093,7 +1093,7 @@ static struct dn_dev *dn_dev_create(struct net_device *dev, int *err) memcpy(&dn_db->parms, p, sizeof(struct dn_dev_parms)); - RCU_INIT_POINTER(dev->dn_ptr, dn_db); + rcu_assign_pointer(dev->dn_ptr, dn_db); dn_db->dev = dev; init_timer(&dn_db->timer); diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c index 69975e0bcdea..1531135130db 100644 --- a/net/decnet/netfilter/dn_rtmsg.c +++ b/net/decnet/netfilter/dn_rtmsg.c @@ -108,7 +108,7 @@ static inline void dnrmg_receive_user_skb(struct sk_buff *skb) if (nlh->nlmsg_len < sizeof(*nlh) || skb->len < nlh->nlmsg_len) return; - if (security_netlink_recv(skb, CAP_NET_ADMIN)) + if (!capable(CAP_NET_ADMIN)) RCV_SKB_FAIL(-EPERM); /* Eventually we might send routing messages too */ diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index 335ca7abbd46..aa2a2c79776f 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig @@ -408,8 +408,12 @@ config INET_TCP_DIAG def_tristate INET_DIAG config INET_UDP_DIAG + tristate "UDP: socket monitoring interface" depends on INET_DIAG - def_tristate INET_DIAG && IPV6 + default n + ---help--- + Support for UDP socket monitoring interface used by the ss tool. + If unsure, say Y. menuconfig TCP_CONG_ADVANCED bool "TCP: advanced congestion control" diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 65f01dc47565..e41c40f48cfe 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -258,7 +258,7 @@ static struct in_device *inetdev_init(struct net_device *dev) ip_mc_up(in_dev); /* we can receive as soon as ip_ptr is set -- do this last */ - RCU_INIT_POINTER(dev->ip_ptr, in_dev); + rcu_assign_pointer(dev->ip_ptr, in_dev); out: return in_dev; out_kfree: diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index d04b13ae18fe..2b555a5521e0 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -205,7 +205,7 @@ static inline struct tnode *node_parent_rcu(const struct rt_trie_node *node) return (struct tnode *)(parent & ~NODE_TYPE_MASK); } -/* Same as RCU_INIT_POINTER +/* Same as rcu_assign_pointer * but that macro() assumes that value is a pointer. */ static inline void node_set_parent(struct rt_trie_node *node, struct tnode *ptr) @@ -529,7 +529,7 @@ static void tnode_put_child_reorg(struct tnode *tn, int i, struct rt_trie_node * if (n) node_set_parent(n, tn); - RCU_INIT_POINTER(tn->child[i], n); + rcu_assign_pointer(tn->child[i], n); } #define MAX_WORK 10 @@ -1015,7 +1015,7 @@ static void trie_rebalance(struct trie *t, struct tnode *tn) tp = node_parent((struct rt_trie_node *) tn); if (!tp) - RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn); + rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn); tnode_free_flush(); if (!tp) @@ -1027,7 +1027,7 @@ static void trie_rebalance(struct trie *t, struct tnode *tn) if (IS_TNODE(tn)) tn = (struct tnode *)resize(t, (struct tnode *)tn); - RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn); + rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn); tnode_free_flush(); } @@ -1164,7 +1164,7 @@ static struct list_head *fib_insert_node(struct trie *t, u32 key, int plen) put_child(t, (struct tnode *)tp, cindex, (struct rt_trie_node *)tn); } else { - RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn); + rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn); tp = tn; } } diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index fa057d105bef..450e5d21ed2a 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -880,6 +880,8 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb, * to be intended in a v3 query. */ max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE); + if (!max_delay) + max_delay = 1; /* can't mod w/ 0 */ } else { /* v3 */ if (!pskb_may_pull(skb, sizeof(struct igmpv3_query))) return; @@ -1247,7 +1249,7 @@ void ip_mc_inc_group(struct in_device *in_dev, __be32 addr) im->next_rcu = in_dev->mc_list; in_dev->mc_count++; - RCU_INIT_POINTER(in_dev->mc_list, im); + rcu_assign_pointer(in_dev->mc_list, im); #ifdef CONFIG_IP_MULTICAST igmpv3_del_delrec(in_dev, im->multiaddr); @@ -1819,7 +1821,7 @@ int ip_mc_join_group(struct sock *sk , struct ip_mreqn *imr) iml->next_rcu = inet->mc_list; iml->sflist = NULL; iml->sfmode = MCAST_EXCLUDE; - RCU_INIT_POINTER(inet->mc_list, iml); + rcu_assign_pointer(inet->mc_list, iml); ip_mc_inc_group(in_dev, addr); err = 0; done: @@ -2006,7 +2008,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc); kfree_rcu(psl, rcu); } - RCU_INIT_POINTER(pmc->sflist, newpsl); + rcu_assign_pointer(pmc->sflist, newpsl); psl = newpsl; } rv = 1; /* > 0 for insert logic below if sl_count is 0 */ @@ -2109,7 +2111,7 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex) } else (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode, 0, NULL, 0); - RCU_INIT_POINTER(pmc->sflist, newpsl); + rcu_assign_pointer(pmc->sflist, newpsl); pmc->sfmode = msf->imsf_fmode; err = 0; done: diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 2e4e24476c4c..19d66cefd7d3 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -123,11 +123,14 @@ again: smallest_size = tb->num_owners; smallest_rover = rover; if (atomic_read(&hashinfo->bsockets) > (high - low) + 1) { - spin_unlock(&head->lock); snum = smallest_rover; - goto have_snum; + goto tb_found; } } + if (!inet_csk(sk)->icsk_af_ops->bind_conflict(sk, tb)) { + snum = rover; + goto tb_found; + } goto next; } break; diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 2240a8e8c44d..fcf281819cd4 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -71,7 +71,7 @@ static inline void inet_diag_unlock_handler( } int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, - struct sk_buff *skb, struct inet_diag_req *req, + struct sk_buff *skb, struct inet_diag_req_v2 *req, u32 pid, u32 seq, u16 nlmsg_flags, const struct nlmsghdr *unlh) { @@ -193,7 +193,7 @@ nlmsg_failure: EXPORT_SYMBOL_GPL(inet_sk_diag_fill); static int inet_csk_diag_fill(struct sock *sk, - struct sk_buff *skb, struct inet_diag_req *req, + struct sk_buff *skb, struct inet_diag_req_v2 *req, u32 pid, u32 seq, u16 nlmsg_flags, const struct nlmsghdr *unlh) { @@ -202,7 +202,7 @@ static int inet_csk_diag_fill(struct sock *sk, } static int inet_twsk_diag_fill(struct inet_timewait_sock *tw, - struct sk_buff *skb, struct inet_diag_req *req, + struct sk_buff *skb, struct inet_diag_req_v2 *req, u32 pid, u32 seq, u16 nlmsg_flags, const struct nlmsghdr *unlh) { @@ -253,7 +253,7 @@ nlmsg_failure: } static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, - struct inet_diag_req *r, u32 pid, u32 seq, u16 nlmsg_flags, + struct inet_diag_req_v2 *r, u32 pid, u32 seq, u16 nlmsg_flags, const struct nlmsghdr *unlh) { if (sk->sk_state == TCP_TIME_WAIT) @@ -264,7 +264,7 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, } int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_skb, - const struct nlmsghdr *nlh, struct inet_diag_req *req) + const struct nlmsghdr *nlh, struct inet_diag_req_v2 *req) { int err; struct sock *sk; @@ -333,7 +333,7 @@ EXPORT_SYMBOL_GPL(inet_diag_dump_one_icsk); static int inet_diag_get_exact(struct sk_buff *in_skb, const struct nlmsghdr *nlh, - struct inet_diag_req *req) + struct inet_diag_req_v2 *req) { const struct inet_diag_handler *handler; int err; @@ -540,7 +540,7 @@ static int inet_diag_bc_audit(const void *bytecode, int bytecode_len) static int inet_csk_diag_dump(struct sock *sk, struct sk_buff *skb, struct netlink_callback *cb, - struct inet_diag_req *r, + struct inet_diag_req_v2 *r, const struct nlattr *bc) { if (!inet_diag_bc_sk(bc, sk)) @@ -554,7 +554,7 @@ static int inet_csk_diag_dump(struct sock *sk, static int inet_twsk_diag_dump(struct inet_timewait_sock *tw, struct sk_buff *skb, struct netlink_callback *cb, - struct inet_diag_req *r, + struct inet_diag_req_v2 *r, const struct nlattr *bc) { if (bc != NULL) { @@ -639,7 +639,7 @@ nlmsg_failure: static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk, struct netlink_callback *cb, - struct inet_diag_req *r, + struct inet_diag_req_v2 *r, const struct nlattr *bc) { struct inet_diag_entry entry; @@ -721,7 +721,7 @@ out: } void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb, - struct netlink_callback *cb, struct inet_diag_req *r, struct nlattr *bc) + struct netlink_callback *cb, struct inet_diag_req_v2 *r, struct nlattr *bc) { int i, num; int s_i, s_num; @@ -872,7 +872,7 @@ out: EXPORT_SYMBOL_GPL(inet_diag_dump_icsk); static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, - struct inet_diag_req *r, struct nlattr *bc) + struct inet_diag_req_v2 *r, struct nlattr *bc) { const struct inet_diag_handler *handler; @@ -887,12 +887,12 @@ static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, static int inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb) { struct nlattr *bc = NULL; - int hdrlen = sizeof(struct inet_diag_req); + int hdrlen = sizeof(struct inet_diag_req_v2); if (nlmsg_attrlen(cb->nlh, hdrlen)) bc = nlmsg_find_attr(cb->nlh, hdrlen, INET_DIAG_REQ_BYTECODE); - return __inet_diag_dump(skb, cb, (struct inet_diag_req *)NLMSG_DATA(cb->nlh), bc); + return __inet_diag_dump(skb, cb, (struct inet_diag_req_v2 *)NLMSG_DATA(cb->nlh), bc); } static inline int inet_diag_type2proto(int type) @@ -909,10 +909,10 @@ static inline int inet_diag_type2proto(int type) static int inet_diag_dump_compat(struct sk_buff *skb, struct netlink_callback *cb) { - struct inet_diag_req_compat *rc = NLMSG_DATA(cb->nlh); - struct inet_diag_req req; + struct inet_diag_req *rc = NLMSG_DATA(cb->nlh); + struct inet_diag_req_v2 req; struct nlattr *bc = NULL; - int hdrlen = sizeof(struct inet_diag_req_compat); + int hdrlen = sizeof(struct inet_diag_req); req.sdiag_family = AF_UNSPEC; /* compatibility */ req.sdiag_protocol = inet_diag_type2proto(cb->nlh->nlmsg_type); @@ -929,8 +929,8 @@ static int inet_diag_dump_compat(struct sk_buff *skb, struct netlink_callback *c static int inet_diag_get_exact_compat(struct sk_buff *in_skb, const struct nlmsghdr *nlh) { - struct inet_diag_req_compat *rc = NLMSG_DATA(nlh); - struct inet_diag_req req; + struct inet_diag_req *rc = NLMSG_DATA(nlh); + struct inet_diag_req_v2 req; req.sdiag_family = rc->idiag_family; req.sdiag_protocol = inet_diag_type2proto(nlh->nlmsg_type); @@ -943,7 +943,7 @@ static int inet_diag_get_exact_compat(struct sk_buff *in_skb, static int inet_diag_rcv_msg_compat(struct sk_buff *skb, struct nlmsghdr *nlh) { - int hdrlen = sizeof(struct inet_diag_req_compat); + int hdrlen = sizeof(struct inet_diag_req); if (nlh->nlmsg_type >= INET_DIAG_GETSOCK_MAX || nlmsg_len(nlh) < hdrlen) @@ -970,7 +970,7 @@ static int inet_diag_rcv_msg_compat(struct sk_buff *skb, struct nlmsghdr *nlh) static int inet_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h) { - int hdrlen = sizeof(struct inet_diag_req); + int hdrlen = sizeof(struct inet_diag_req_v2); if (nlmsg_len(h) < hdrlen) return -EINVAL; @@ -990,7 +990,7 @@ static int inet_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h) inet_diag_dump, NULL, 0); } - return inet_diag_get_exact(skb, h, (struct inet_diag_req *)NLMSG_DATA(h)); + return inet_diag_get_exact(skb, h, (struct inet_diag_req_v2 *)NLMSG_DATA(h)); } static struct sock_diag_handler inet_diag_handler = { diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index 86f13c67ea85..bf4a9c4808e1 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -136,7 +136,7 @@ static int addr_compare(const struct inetpeer_addr *a, for (i = 0; i < n; i++) { if (a->addr.a6[i] == b->addr.a6[i]) continue; - if (a->addr.a6[i] < b->addr.a6[i]) + if ((__force u32)a->addr.a6[i] < (__force u32)b->addr.a6[i]) return -1; return 1; } @@ -447,6 +447,7 @@ relookup: p->rate_last = 0; p->pmtu_expires = 0; p->pmtu_orig = 0; + p->redirect_genid = 0; memset(&p->redirect_learned, 0, sizeof(p->redirect_learned)); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 2b53a1f7abf6..6b3ca5ba4450 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -422,6 +422,10 @@ static struct ip_tunnel *ipgre_tunnel_locate(struct net *net, if (register_netdevice(dev) < 0) goto failed_free; + /* Can use a lockless transmit, unless we generate output sequences */ + if (!(nt->parms.o_flags & GRE_SEQ)) + dev->features |= NETIF_F_LLTX; + dev_hold(dev); ipgre_tunnel_link(ign, nt); return nt; diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 7e4ec9fc2cef..6e412a60a91f 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -141,7 +141,7 @@ __be32 ic_servaddr = NONE; /* Boot server IP address */ __be32 root_server_addr = NONE; /* Address of NFS server */ u8 root_server_path[256] = { 0, }; /* Path to mount as root */ -u32 ic_dev_xid; /* Device under configuration */ +__be32 ic_dev_xid; /* Device under configuration */ /* vendor class identifier */ static char vendor_class_identifier[253] __initdata; @@ -859,9 +859,9 @@ static int __init ic_bootp_string(char *dest, char *src, int len, int max) */ static void __init ic_do_bootp_ext(u8 *ext) { - u8 servers; - int i; - u16 mtu; + u8 servers; + int i; + __be16 mtu; #ifdef IPCONFIG_DEBUG u8 *c; diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 413ed1ba7a5a..22a199315309 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -231,7 +231,7 @@ static void ipip_tunnel_unlink(struct ipip_net *ipn, struct ip_tunnel *t) (iter = rtnl_dereference(*tp)) != NULL; tp = &iter->next) { if (t == iter) { - RCU_INIT_POINTER(*tp, t->next); + rcu_assign_pointer(*tp, t->next); break; } } @@ -241,8 +241,8 @@ static void ipip_tunnel_link(struct ipip_net *ipn, struct ip_tunnel *t) { struct ip_tunnel __rcu **tp = ipip_bucket(ipn, t); - RCU_INIT_POINTER(t->next, rtnl_dereference(*tp)); - RCU_INIT_POINTER(*tp, t); + rcu_assign_pointer(t->next, rtnl_dereference(*tp)); + rcu_assign_pointer(*tp, t); } static struct ip_tunnel * ipip_tunnel_locate(struct net *net, @@ -792,7 +792,7 @@ static int __net_init ipip_fb_tunnel_init(struct net_device *dev) return -ENOMEM; dev_hold(dev); - RCU_INIT_POINTER(ipn->tunnels_wc[0], tunnel); + rcu_assign_pointer(ipn->tunnels_wc[0], tunnel); return 0; } diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 8e54490ee3f4..7bc2db6db8d4 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1225,7 +1225,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi ret = ip_ra_control(sk, 1, mrtsock_destruct); if (ret == 0) { - RCU_INIT_POINTER(mrt->mroute_sk, sk); + rcu_assign_pointer(mrt->mroute_sk, sk); IPV4_DEVCONF_ALL(net, MC_FORWARDING)++; } rtnl_unlock(); diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index a057fe64debd..94d45e1f8882 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -431,7 +431,7 @@ __ipq_rcv_skb(struct sk_buff *skb) if (type <= IPQM_BASE) return; - if (security_netlink_recv(skb, CAP_NET_ADMIN)) + if (!capable(CAP_NET_ADMIN)) RCV_SKB_FAIL(-EPERM); spin_lock_bh(&queue_lock); diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 43d4c3b22369..aea5a199c37a 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -140,13 +140,14 @@ static void ping_v4_unhash(struct sock *sk) write_lock_bh(&ping_table.lock); hlist_nulls_del(&sk->sk_nulls_node); sock_put(sk); - isk->inet_num = isk->inet_sport = 0; + isk->inet_num = 0; + isk->inet_sport = 0; sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); write_unlock_bh(&ping_table.lock); } } -static struct sock *ping_v4_lookup(struct net *net, u32 saddr, u32 daddr, +static struct sock *ping_v4_lookup(struct net *net, __be32 saddr, __be32 daddr, u16 ident, int dif) { struct hlist_nulls_head *hslot = ping_hashslot(&ping_table, net, ident); @@ -154,15 +155,15 @@ static struct sock *ping_v4_lookup(struct net *net, u32 saddr, u32 daddr, struct inet_sock *isk; struct hlist_nulls_node *hnode; - pr_debug("try to find: num = %d, daddr = %ld, dif = %d\n", - (int)ident, (unsigned long)daddr, dif); + pr_debug("try to find: num = %d, daddr = %pI4, dif = %d\n", + (int)ident, &daddr, dif); read_lock_bh(&ping_table.lock); ping_portaddr_for_each_entry(sk, hnode, hslot) { isk = inet_sk(sk); - pr_debug("found: %p: num = %d, daddr = %ld, dif = %d\n", sk, - (int)isk->inet_num, (unsigned long)isk->inet_rcv_saddr, + pr_debug("found: %p: num = %d, daddr = %pI4, dif = %d\n", sk, + (int)isk->inet_num, &isk->inet_rcv_saddr, sk->sk_bound_dev_if); pr_debug("iterate\n"); @@ -254,7 +255,7 @@ static int ping_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len) sk, addr->sin_addr.s_addr, ntohs(addr->sin_port)); chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr); - if (addr->sin_addr.s_addr == INADDR_ANY) + if (addr->sin_addr.s_addr == htonl(INADDR_ANY)) chk_addr_ret = RTN_LOCAL; if ((sysctl_ip_nonlocal_bind == 0 && @@ -278,9 +279,9 @@ static int ping_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len) goto out; } - pr_debug("after bind(): num = %d, daddr = %ld, dif = %d\n", + pr_debug("after bind(): num = %d, daddr = %pI4, dif = %d\n", (int)isk->inet_num, - (unsigned long) isk->inet_rcv_saddr, + &isk->inet_rcv_saddr, (int)sk->sk_bound_dev_if); err = 0; @@ -407,7 +408,7 @@ out: struct pingfakehdr { struct icmphdr icmph; struct iovec *iov; - u32 wcheck; + __wsum wcheck; }; static int ping_getfrag(void *from, char * to, @@ -459,7 +460,7 @@ static int ping_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, struct rtable *rt = NULL; struct ip_options_data opt_copy; int free = 0; - u32 saddr, daddr, faddr; + __be32 saddr, daddr, faddr; u8 tos; int err; @@ -696,8 +697,8 @@ void ping_rcv(struct sk_buff *skb) struct net *net = dev_net(skb->dev); struct iphdr *iph = ip_hdr(skb); struct icmphdr *icmph = icmp_hdr(skb); - u32 saddr = iph->saddr; - u32 daddr = iph->daddr; + __be32 saddr = iph->saddr; + __be32 daddr = iph->daddr; /* We assume the packet has already been checked by icmp_rcv */ diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 3569d8ecaeac..6afc807ee2ad 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -216,7 +216,6 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPPartialUndo", LINUX_MIB_TCPPARTIALUNDO), SNMP_MIB_ITEM("TCPDSACKUndo", LINUX_MIB_TCPDSACKUNDO), SNMP_MIB_ITEM("TCPLossUndo", LINUX_MIB_TCPLOSSUNDO), - SNMP_MIB_ITEM("TCPLoss", LINUX_MIB_TCPLOSS), SNMP_MIB_ITEM("TCPLostRetransmit", LINUX_MIB_TCPLOSTRETRANSMIT), SNMP_MIB_ITEM("TCPRenoFailures", LINUX_MIB_TCPRENOFAILURES), SNMP_MIB_ITEM("TCPSackFailures", LINUX_MIB_TCPSACKFAILURES), diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 4aa7e9dc0cbb..4cb9cd2f2c39 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -814,6 +814,7 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) net->ipv4.sysctl_rt_cache_rebuild_count = 4; + tcp_init_mem(net); limit = nr_free_buffer_pages() / 8; limit = max(limit, 128UL); net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 9bcdec3ad772..06373b4a449a 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3216,6 +3216,16 @@ static int __init set_thash_entries(char *str) } __setup("thash_entries=", set_thash_entries); +void tcp_init_mem(struct net *net) +{ + /* Set per-socket limits to no more than 1/128 the pressure threshold */ + unsigned long limit = nr_free_buffer_pages() / 8; + limit = max(limit, 128UL); + net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3; + net->ipv4.sysctl_tcp_mem[1] = limit; + net->ipv4.sysctl_tcp_mem[2] = net->ipv4.sysctl_tcp_mem[0] * 2; +} + void __init tcp_init(void) { struct sk_buff *skb = NULL; @@ -3276,9 +3286,9 @@ void __init tcp_init(void) sysctl_tcp_max_orphans = cnt / 2; sysctl_max_syn_backlog = max(128, cnt / 256); - /* Set per-socket limits to no more than 1/128 the pressure threshold */ - limit = ((unsigned long)init_net.ipv4.sysctl_tcp_mem[1]) - << (PAGE_SHIFT - 7); + tcp_init_mem(&init_net); + limit = nr_free_buffer_pages() / 8; + limit = max(limit, 128UL); max_share = min(4UL*1024*1024, limit); sysctl_tcp_wmem[0] = SK_MEM_QUANTUM; diff --git a/net/ipv4/tcp_bic.c b/net/ipv4/tcp_bic.c index 6187eb4d1dcf..f45e1c242440 100644 --- a/net/ipv4/tcp_bic.c +++ b/net/ipv4/tcp_bic.c @@ -63,7 +63,6 @@ static inline void bictcp_reset(struct bictcp *ca) { ca->cnt = 0; ca->last_max_cwnd = 0; - ca->loss_cwnd = 0; ca->last_cwnd = 0; ca->last_time = 0; ca->epoch_start = 0; @@ -72,7 +71,11 @@ static inline void bictcp_reset(struct bictcp *ca) static void bictcp_init(struct sock *sk) { - bictcp_reset(inet_csk_ca(sk)); + struct bictcp *ca = inet_csk_ca(sk); + + bictcp_reset(ca); + ca->loss_cwnd = 0; + if (initial_ssthresh) tcp_sk(sk)->snd_ssthresh = initial_ssthresh; } @@ -127,7 +130,7 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd) } /* if in slow start or link utilization is very low */ - if (ca->loss_cwnd == 0) { + if (ca->last_max_cwnd == 0) { if (ca->cnt > 20) /* increase cwnd 5% per RTT */ ca->cnt = 20; } @@ -185,7 +188,7 @@ static u32 bictcp_undo_cwnd(struct sock *sk) { const struct tcp_sock *tp = tcp_sk(sk); const struct bictcp *ca = inet_csk_ca(sk); - return max(tp->snd_cwnd, ca->last_max_cwnd); + return max(tp->snd_cwnd, ca->loss_cwnd); } static void bictcp_state(struct sock *sk, u8 new_state) diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index f376b05cca81..a9077f441cb2 100644 --- a/net/ipv4/tcp_cubic.c +++ b/net/ipv4/tcp_cubic.c @@ -107,7 +107,6 @@ static inline void bictcp_reset(struct bictcp *ca) { ca->cnt = 0; ca->last_max_cwnd = 0; - ca->loss_cwnd = 0; ca->last_cwnd = 0; ca->last_time = 0; ca->bic_origin_point = 0; @@ -142,7 +141,10 @@ static inline void bictcp_hystart_reset(struct sock *sk) static void bictcp_init(struct sock *sk) { - bictcp_reset(inet_csk_ca(sk)); + struct bictcp *ca = inet_csk_ca(sk); + + bictcp_reset(ca); + ca->loss_cwnd = 0; if (hystart) bictcp_hystart_reset(sk); @@ -275,7 +277,7 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd) * The initial growth of cubic function may be too conservative * when the available bandwidth is still unknown. */ - if (ca->loss_cwnd == 0 && ca->cnt > 20) + if (ca->last_max_cwnd == 0 && ca->cnt > 20) ca->cnt = 20; /* increase cwnd 5% per RTT */ /* TCP Friendly */ @@ -342,7 +344,7 @@ static u32 bictcp_undo_cwnd(struct sock *sk) { struct bictcp *ca = inet_csk_ca(sk); - return max(tcp_sk(sk)->snd_cwnd, ca->last_max_cwnd); + return max(tcp_sk(sk)->snd_cwnd, ca->loss_cwnd); } static void bictcp_state(struct sock *sk, u8 new_state) diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c index 8cd357a8be79..ed3f2ad42e0f 100644 --- a/net/ipv4/tcp_diag.c +++ b/net/ipv4/tcp_diag.c @@ -35,13 +35,13 @@ static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r, } static void tcp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, - struct inet_diag_req *r, struct nlattr *bc) + struct inet_diag_req_v2 *r, struct nlattr *bc) { inet_diag_dump_icsk(&tcp_hashinfo, skb, cb, r, bc); } static int tcp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh, - struct inet_diag_req *req) + struct inet_diag_req_v2 *req) { return inet_diag_dump_one_icsk(&tcp_hashinfo, in_skb, nlh, req); } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 2877c3e09587..976034f82320 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -105,7 +105,6 @@ int sysctl_tcp_abc __read_mostly; #define FLAG_SYN_ACKED 0x10 /* This ACK acknowledged SYN. */ #define FLAG_DATA_SACKED 0x20 /* New SACK. */ #define FLAG_ECE 0x40 /* ECE in this ACK */ -#define FLAG_DATA_LOST 0x80 /* SACK detected data lossage. */ #define FLAG_SLOWPATH 0x100 /* Do not skip RFC checks for window update.*/ #define FLAG_ONLY_ORIG_SACKED 0x200 /* SACKs only non-rexmit sent before RTO */ #define FLAG_SND_UNA_ADVANCED 0x400 /* Snd_una was changed (!= FLAG_DATA_ACKED) */ @@ -1040,13 +1039,11 @@ static void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, * These 6 states form finite state machine, controlled by the following events: * 1. New ACK (+SACK) arrives. (tcp_sacktag_write_queue()) * 2. Retransmission. (tcp_retransmit_skb(), tcp_xmit_retransmit_queue()) - * 3. Loss detection event of one of three flavors: + * 3. Loss detection event of two flavors: * A. Scoreboard estimator decided the packet is lost. * A'. Reno "three dupacks" marks head of queue lost. - * A''. Its FACK modfication, head until snd.fack is lost. - * B. SACK arrives sacking data transmitted after never retransmitted - * hole was sent out. - * C. SACK arrives sacking SND.NXT at the moment, when the + * A''. Its FACK modification, head until snd.fack is lost. + * B. SACK arrives sacking SND.NXT at the moment, when the * segment was retransmitted. * 4. D-SACK added new rule: D-SACK changes any tag to S. * @@ -1153,7 +1150,7 @@ static int tcp_is_sackblock_valid(struct tcp_sock *tp, int is_dsack, } /* Check for lost retransmit. This superb idea is borrowed from "ratehalving". - * Event "C". Later note: FACK people cheated me again 8), we have to account + * Event "B". Later note: FACK people cheated me again 8), we have to account * for reordering! Ugly, but should help. * * Search retransmitted skbs from write_queue that were sent when snd_nxt was @@ -1844,10 +1841,6 @@ tcp_sacktag_write_queue(struct sock *sk, const struct sk_buff *ack_skb, if (found_dup_sack && ((i + 1) == first_sack_index)) next_dup = &sp[i + 1]; - /* Event "B" in the comment above. */ - if (after(end_seq, tp->high_seq)) - state.flag |= FLAG_DATA_LOST; - /* Skip too early cached blocks */ while (tcp_sack_cache_ok(tp, cache) && !before(start_seq, cache->end_seq)) @@ -2515,8 +2508,11 @@ static void tcp_timeout_skbs(struct sock *sk) tcp_verify_left_out(tp); } -/* Mark head of queue up as lost. With RFC3517 SACK, the packets is - * is against sacked "cnt", otherwise it's against facked "cnt" +/* Detect loss in event "A" above by marking head of queue up as lost. + * For FACK or non-SACK(Reno) senders, the first "packets" number of segments + * are considered lost. For RFC3517 SACK, a segment is considered lost if it + * has at least tp->reordering SACKed seqments above it; "packets" refers to + * the maximum SACKed segments to pass before reaching this limit. */ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head) { @@ -2525,6 +2521,8 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head) int cnt, oldcnt; int err; unsigned int mss; + /* Use SACK to deduce losses of new sequences sent during recovery */ + const u32 loss_high = tcp_is_sack(tp) ? tp->snd_nxt : tp->high_seq; WARN_ON(packets > tp->packets_out); if (tp->lost_skb_hint) { @@ -2546,7 +2544,7 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head) tp->lost_skb_hint = skb; tp->lost_cnt_hint = cnt; - if (after(TCP_SKB_CB(skb)->end_seq, tp->high_seq)) + if (after(TCP_SKB_CB(skb)->end_seq, loss_high)) break; oldcnt = cnt; @@ -3033,19 +3031,10 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked, if (tcp_check_sack_reneging(sk, flag)) return; - /* C. Process data loss notification, provided it is valid. */ - if (tcp_is_fack(tp) && (flag & FLAG_DATA_LOST) && - before(tp->snd_una, tp->high_seq) && - icsk->icsk_ca_state != TCP_CA_Open && - tp->fackets_out > tp->reordering) { - tcp_mark_head_lost(sk, tp->fackets_out - tp->reordering, 0); - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPLOSS); - } - - /* D. Check consistency of the current state. */ + /* C. Check consistency of the current state. */ tcp_verify_left_out(tp); - /* E. Check state exit conditions. State can be terminated + /* D. Check state exit conditions. State can be terminated * when high_seq is ACKed. */ if (icsk->icsk_ca_state == TCP_CA_Open) { WARN_ON(tp->retrans_out != 0); @@ -3077,7 +3066,7 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked, } } - /* F. Process state. */ + /* E. Process state. */ switch (icsk->icsk_ca_state) { case TCP_CA_Recovery: if (!(flag & FLAG_SND_UNA_ADVANCED)) { diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 1eb4ad57670e..337ba4cca052 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -631,7 +631,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) arg.iov[0].iov_len = sizeof(rep.th); #ifdef CONFIG_TCP_MD5SIG - key = sk ? tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->daddr) : NULL; + key = sk ? tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->saddr) : NULL; if (key) { rep.opt[0] = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c index 7fed04f875c1..49978788a9dc 100644 --- a/net/ipv4/tcp_memcontrol.c +++ b/net/ipv4/tcp_memcontrol.c @@ -108,7 +108,7 @@ void tcp_destroy_cgroup(struct cgroup *cgrp, struct cgroup_subsys *ss) tcp = tcp_from_cgproto(cg_proto); percpu_counter_destroy(&tcp->tcp_sockets_allocated); - val = res_counter_read_u64(&tcp->tcp_memory_allocated, RES_USAGE); + val = res_counter_read_u64(&tcp->tcp_memory_allocated, RES_LIMIT); if (val != RESOURCE_MAX) jump_label_dec(&memcg_socket_limit_enabled); diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 8c8de2780c7a..4ff3b6dc74fc 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1141,11 +1141,9 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len) sk_mem_uncharge(sk, len); sock_set_flag(sk, SOCK_QUEUE_SHRUNK); - /* Any change of skb->len requires recalculation of tso - * factor and mss. - */ + /* Any change of skb->len requires recalculation of tso factor. */ if (tcp_skb_pcount(skb) > 1) - tcp_set_skb_tso_segs(sk, skb, tcp_current_mss(sk)); + tcp_set_skb_tso_segs(sk, skb, tcp_skb_mss(skb)); return 0; } diff --git a/net/ipv4/udp_diag.c b/net/ipv4/udp_diag.c index 69f8a7ca63dd..8a949f19deb6 100644 --- a/net/ipv4/udp_diag.c +++ b/net/ipv4/udp_diag.c @@ -15,11 +15,10 @@ #include <linux/udp.h> #include <net/udp.h> #include <net/udplite.h> -#include <linux/inet_diag.h> #include <linux/sock_diag.h> static int sk_diag_dump(struct sock *sk, struct sk_buff *skb, - struct netlink_callback *cb, struct inet_diag_req *req, + struct netlink_callback *cb, struct inet_diag_req_v2 *req, struct nlattr *bc) { if (!inet_diag_bc_sk(bc, sk)) @@ -30,7 +29,7 @@ static int sk_diag_dump(struct sock *sk, struct sk_buff *skb, } static int udp_dump_one(struct udp_table *tbl, struct sk_buff *in_skb, - const struct nlmsghdr *nlh, struct inet_diag_req *req) + const struct nlmsghdr *nlh, struct inet_diag_req_v2 *req) { int err = -EINVAL; struct sock *sk; @@ -88,7 +87,7 @@ out_nosk: } static void udp_dump(struct udp_table *table, struct sk_buff *skb, struct netlink_callback *cb, - struct inet_diag_req *r, struct nlattr *bc) + struct inet_diag_req_v2 *r, struct nlattr *bc) { int num, s_num, slot, s_slot; @@ -136,13 +135,13 @@ done: } static void udp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, - struct inet_diag_req *r, struct nlattr *bc) + struct inet_diag_req_v2 *r, struct nlattr *bc) { udp_dump(&udp_table, skb, cb, r, bc); } static int udp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh, - struct inet_diag_req *req) + struct inet_diag_req_v2 *req) { return udp_dump_one(&udp_table, in_skb, nlh, req); } @@ -154,13 +153,13 @@ static const struct inet_diag_handler udp_diag_handler = { }; static void udplite_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, - struct inet_diag_req *r, struct nlattr *bc) + struct inet_diag_req_v2 *r, struct nlattr *bc) { udp_dump(&udplite_table, skb, cb, r, bc); } static int udplite_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh, - struct inet_diag_req *req) + struct inet_diag_req_v2 *req) { return udp_dump_one(&udplite_table, in_skb, nlh, req); } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 0ba0866230c9..c02280a4d126 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -429,7 +429,7 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev) ndev->tstamp = jiffies; addrconf_sysctl_register(ndev); /* protected by rtnl_lock */ - RCU_INIT_POINTER(dev->ip6_ptr, ndev); + rcu_assign_pointer(dev->ip6_ptr, ndev); /* Join all-node multicast group */ ipv6_dev_mc_inc(dev, &in6addr_linklocal_allnodes); @@ -502,29 +502,31 @@ static void addrconf_forward_change(struct net *net, __s32 newf) rcu_read_unlock(); } -static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old) +static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int newf) { struct net *net; + int old; + + if (!rtnl_trylock()) + return restart_syscall(); net = (struct net *)table->extra2; - if (p == &net->ipv6.devconf_dflt->forwarding) - return 0; + old = *p; + *p = newf; - if (!rtnl_trylock()) { - /* Restore the original values before restarting */ - *p = old; - return restart_syscall(); + if (p == &net->ipv6.devconf_dflt->forwarding) { + rtnl_unlock(); + return 0; } if (p == &net->ipv6.devconf_all->forwarding) { - __s32 newf = net->ipv6.devconf_all->forwarding; net->ipv6.devconf_dflt->forwarding = newf; addrconf_forward_change(net, newf); - } else if ((!*p) ^ (!old)) + } else if ((!newf) ^ (!old)) dev_forward_change((struct inet6_dev *)table->extra1); rtnl_unlock(); - if (*p) + if (newf) rt6_purge_dflt_routers(net); return 1; } @@ -4260,9 +4262,17 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write, int *valp = ctl->data; int val = *valp; loff_t pos = *ppos; + ctl_table lctl; int ret; - ret = proc_dointvec(ctl, write, buffer, lenp, ppos); + /* + * ctl->data points to idev->cnf.forwarding, we should + * not modify it until we get the rtnl lock. + */ + lctl = *ctl; + lctl.data = &val; + + ret = proc_dointvec(&lctl, write, buffer, lenp, ppos); if (write) ret = addrconf_fixup_forwarding(ctl, valp, val); @@ -4300,26 +4310,27 @@ static void addrconf_disable_change(struct net *net, __s32 newf) rcu_read_unlock(); } -static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old) +static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int newf) { struct net *net; + int old; + + if (!rtnl_trylock()) + return restart_syscall(); net = (struct net *)table->extra2; + old = *p; + *p = newf; - if (p == &net->ipv6.devconf_dflt->disable_ipv6) + if (p == &net->ipv6.devconf_dflt->disable_ipv6) { + rtnl_unlock(); return 0; - - if (!rtnl_trylock()) { - /* Restore the original values before restarting */ - *p = old; - return restart_syscall(); } if (p == &net->ipv6.devconf_all->disable_ipv6) { - __s32 newf = net->ipv6.devconf_all->disable_ipv6; net->ipv6.devconf_dflt->disable_ipv6 = newf; addrconf_disable_change(net, newf); - } else if ((!*p) ^ (!old)) + } else if ((!newf) ^ (!old)) dev_disable_change((struct inet6_dev *)table->extra1); rtnl_unlock(); @@ -4333,9 +4344,17 @@ int addrconf_sysctl_disable(ctl_table *ctl, int write, int *valp = ctl->data; int val = *valp; loff_t pos = *ppos; + ctl_table lctl; int ret; - ret = proc_dointvec(ctl, write, buffer, lenp, ppos); + /* + * ctl->data points to idev->cnf.disable_ipv6, we should + * not modify it until we get the rtnl lock. + */ + lctl = *ctl; + lctl.data = &val; + + ret = proc_dointvec(&lctl, write, buffer, lenp, ppos); if (write) ret = addrconf_disable_ipv6(ctl, valp, val); diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index ae08aee1773c..251e7cd75e89 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -575,7 +575,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb) } if (np->rxopt.bits.rxorigdstaddr) { struct sockaddr_in6 sin6; - u16 *ports = (u16 *) skb_transport_header(skb); + __be16 *ports = (__be16 *) skb_transport_header(skb); if (skb_transport_offset(skb) + 4 <= skb->len) { /* All current transport protocols have the port numbers in the diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index e1f7761815f3..aa21da6a09cd 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -218,8 +218,8 @@ ip6_tnl_link(struct ip6_tnl_net *ip6n, struct ip6_tnl *t) { struct ip6_tnl __rcu **tp = ip6_tnl_bucket(ip6n, &t->parms); - RCU_INIT_POINTER(t->next , rtnl_dereference(*tp)); - RCU_INIT_POINTER(*tp, t); + rcu_assign_pointer(t->next , rtnl_dereference(*tp)); + rcu_assign_pointer(*tp, t); } /** @@ -237,7 +237,7 @@ ip6_tnl_unlink(struct ip6_tnl_net *ip6n, struct ip6_tnl *t) (iter = rtnl_dereference(*tp)) != NULL; tp = &iter->next) { if (t == iter) { - RCU_INIT_POINTER(*tp, t->next); + rcu_assign_pointer(*tp, t->next); break; } } @@ -1450,7 +1450,7 @@ static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev) t->parms.proto = IPPROTO_IPV6; dev_hold(dev); - RCU_INIT_POINTER(ip6n->tnls_wc[0], t); + rcu_assign_pointer(ip6n->tnls_wc[0], t); return 0; } diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index fb80a23c6640..a34c9e4c792c 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -432,7 +432,7 @@ __ipq_rcv_skb(struct sk_buff *skb) if (type <= IPQM_BASE) return; - if (security_netlink_recv(skb, CAP_NET_ADMIN)) + if (!capable(CAP_NET_ADMIN)) RCV_SKB_FAIL(-EPERM); spin_lock_bh(&queue_lock); diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index fdeb6d03da81..da2e92d05c15 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -237,8 +237,8 @@ static int snmp6_dev_seq_show(struct seq_file *seq, void *v) struct inet6_dev *idev = (struct inet6_dev *)seq->private; seq_printf(seq, "%-32s\t%u\n", "ifIndex", idev->dev->ifindex); - snmp6_seq_show_item(seq, (void __percpu **)idev->stats.ipv6, NULL, - snmp6_ipstats_list); + snmp6_seq_show_item64(seq, (void __percpu **)idev->stats.ipv6, + snmp6_ipstats_list, offsetof(struct ipstats_mib, syncp)); snmp6_seq_show_item(seq, NULL, idev->stats.icmpv6dev->mibs, snmp6_icmp6_list); snmp6_seq_show_icmpv6msg(seq, idev->stats.icmpv6msgdev->mibs); diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index a4894f4f1944..d02f7e4dd611 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -131,7 +131,7 @@ static mh_filter_t __rcu *mh_filter __read_mostly; int rawv6_mh_filter_register(mh_filter_t filter) { - RCU_INIT_POINTER(mh_filter, filter); + rcu_assign_pointer(mh_filter, filter); return 0; } EXPORT_SYMBOL(rawv6_mh_filter_register); diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 07361dfa8085..8c2e3ab58f2a 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1091,6 +1091,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, else { neigh = ip6_neigh_lookup(&rt->dst, &fl6->daddr); if (IS_ERR(neigh)) { + in6_dev_put(idev); dst_free(&rt->dst); return ERR_CAST(neigh); } diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 3b6dac956bb0..133768e52912 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -182,7 +182,7 @@ static void ipip6_tunnel_unlink(struct sit_net *sitn, struct ip_tunnel *t) (iter = rtnl_dereference(*tp)) != NULL; tp = &iter->next) { if (t == iter) { - RCU_INIT_POINTER(*tp, t->next); + rcu_assign_pointer(*tp, t->next); break; } } @@ -192,8 +192,8 @@ static void ipip6_tunnel_link(struct sit_net *sitn, struct ip_tunnel *t) { struct ip_tunnel __rcu **tp = ipip6_bucket(sitn, t); - RCU_INIT_POINTER(t->next, rtnl_dereference(*tp)); - RCU_INIT_POINTER(*tp, t); + rcu_assign_pointer(t->next, rtnl_dereference(*tp)); + rcu_assign_pointer(*tp, t); } static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn) @@ -393,7 +393,7 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg) p->addr = a->addr; p->flags = a->flags; t->prl_count++; - RCU_INIT_POINTER(t->prl, p); + rcu_assign_pointer(t->prl, p); out: return err; } @@ -1177,7 +1177,7 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev) if (!dev->tstats) return -ENOMEM; dev_hold(dev); - RCU_INIT_POINTER(sitn->tunnels_wc[0], tunnel); + rcu_assign_pointer(sitn->tunnels_wc[0], tunnel); return 0; } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 906c7ca43542..3edd05ae4388 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1083,7 +1083,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) #ifdef CONFIG_TCP_MD5SIG if (sk) - key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr); + key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->saddr); #endif if (th->ack) diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index d21e7ebd91ca..55670ec3cd0f 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -393,11 +393,6 @@ static int l2tp_ip_backlog_recv(struct sock *sk, struct sk_buff *skb) { int rc; - if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) - goto drop; - - nf_reset(skb); - /* Charge it to the socket, dropping if the queue is full. */ rc = sock_queue_rcv_skb(sk, skb); if (rc < 0) diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index a18e6c3d36e3..b9bef2c75026 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -713,6 +713,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, struct sk_buff *skb = NULL; struct sock *sk = sock->sk; struct llc_sock *llc = llc_sk(sk); + unsigned long cpu_flags; size_t copied = 0; u32 peek_seq = 0; u32 *seq; @@ -838,7 +839,9 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, goto copy_uaddr; if (!(flags & MSG_PEEK)) { + spin_lock_irqsave(&sk->sk_receive_queue.lock, cpu_flags); sk_eat_skb(sk, skb, 0); + spin_unlock_irqrestore(&sk->sk_receive_queue.lock, cpu_flags); *seq = 0; } @@ -859,7 +862,9 @@ copy_uaddr: llc_cmsg_rcv(msg, skb); if (!(flags & MSG_PEEK)) { + spin_lock_irqsave(&sk->sk_receive_queue.lock, cpu_flags); sk_eat_skb(sk, skb, 0); + spin_unlock_irqrestore(&sk->sk_receive_queue.lock, cpu_flags); *seq = 0; } diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 96debba2c407..1068f668ac4e 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -332,7 +332,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, status = WLAN_STATUS_SUCCESS; /* activate it for RX */ - RCU_INIT_POINTER(sta->ampdu_mlme.tid_rx[tid], tid_agg_rx); + rcu_assign_pointer(sta->ampdu_mlme.tid_rx[tid], tid_agg_rx); if (timeout) mod_timer(&tid_agg_rx->session_timer, TU_TO_EXP_TIME(timeout)); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 850bb96bd680..296620d6ca0c 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -616,7 +616,7 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, sdata->vif.bss_conf.dtim_period = new->dtim_period; - RCU_INIT_POINTER(sdata->u.ap.beacon, new); + rcu_assign_pointer(sdata->u.ap.beacon, new); synchronize_rcu(); @@ -791,7 +791,7 @@ static int sta_apply_parameters(struct ieee80211_local *local, if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) ret = sta_info_move_state_checked(sta, IEEE80211_STA_AUTHORIZED); - else + else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) ret = sta_info_move_state_checked(sta, IEEE80211_STA_ASSOC); if (ret) @@ -1033,7 +1033,7 @@ static int ieee80211_change_station(struct wiphy *wiphy, return -EBUSY; } - RCU_INIT_POINTER(vlansdata->u.vlan.sta, sta); + rcu_assign_pointer(vlansdata->u.vlan.sta, sta); } sta->sdata = vlansdata; diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 38e6101190d9..59edcd95a58d 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -225,9 +225,9 @@ KEY_OPS(key); key, &key_##name##_ops); void ieee80211_debugfs_key_add(struct ieee80211_key *key) - { +{ static int keycount; - char buf[50]; + char buf[100]; struct sta_info *sta; if (!key->local->debugfs.keys) @@ -244,7 +244,8 @@ void ieee80211_debugfs_key_add(struct ieee80211_key *key) sta = key->sta; if (sta) { - sprintf(buf, "../../stations/%pM", sta->sta.addr); + sprintf(buf, "../../netdev:%s/stations/%pM", + sta->sdata->name, sta->sta.addr); key->debugfs.stalink = debugfs_create_symlink("station", key->debugfs.dir, buf); } diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index f8a32bf98216..a4643969a13b 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -106,6 +106,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; + local->oper_channel = chan; channel_type = ifibss->channel_type; if (channel_type > NL80211_CHAN_HT20 && !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type)) @@ -207,7 +208,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, *pos++ = 0; /* U-APSD no in use */ } - RCU_INIT_POINTER(ifibss->presp, skb); + rcu_assign_pointer(ifibss->presp, skb); sdata->vif.bss_conf.beacon_int = beacon_int; sdata->vif.bss_conf.basic_rates = basic_rates; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index e47768cb8cb3..01a21c2f6ab3 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1314,6 +1314,7 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) continue; } /* count everything else */ + sdata->vif.bss_conf.idle = false; count++; } diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 73abb7524b2c..54df1b2bafd2 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -119,12 +119,12 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.mesh_action) + sizeof(mgmt->u.action.u.mesh_action); - skb = dev_alloc_skb(local->hw.extra_tx_headroom + + skb = dev_alloc_skb(local->tx_headroom + hdr_len + 2 + 37); /* max HWMP IE */ if (!skb) return -1; - skb_reserve(skb, local->hw.extra_tx_headroom); + skb_reserve(skb, local->tx_headroom); mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | @@ -250,12 +250,12 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, if (time_before(jiffies, ifmsh->next_perr)) return -EAGAIN; - skb = dev_alloc_skb(local->hw.extra_tx_headroom + + skb = dev_alloc_skb(local->tx_headroom + hdr_len + 2 + 15 /* PERR IE */); if (!skb) return -1; - skb_reserve(skb, local->tx_headroom + local->hw.extra_tx_headroom); + skb_reserve(skb, local->tx_headroom); mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 41ef1b476442..a17251730b9e 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -172,7 +172,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.self_prot) + sizeof(mgmt->u.action.u.self_prot); - skb = dev_alloc_skb(local->hw.extra_tx_headroom + + skb = dev_alloc_skb(local->tx_headroom + hdr_len + 2 + /* capability info */ 2 + /* AID */ @@ -186,7 +186,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, sdata->u.mesh.ie_len); if (!skb) return -1; - skb_reserve(skb, local->hw.extra_tx_headroom); + skb_reserve(skb, local->tx_headroom); mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len); memset(mgmt, 0, hdr_len); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index ecb4c84c1bb3..295be92f7c77 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2750,7 +2750,6 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, { struct ieee80211_local *local = sdata->local; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - struct ieee80211_work *wk; u8 bssid[ETH_ALEN]; bool assoc_bss = false; @@ -2763,30 +2762,47 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, assoc_bss = true; } else { bool not_auth_yet = false; + struct ieee80211_work *tmp, *wk = NULL; mutex_unlock(&ifmgd->mtx); mutex_lock(&local->mtx); - list_for_each_entry(wk, &local->work_list, list) { - if (wk->sdata != sdata) + list_for_each_entry(tmp, &local->work_list, list) { + if (tmp->sdata != sdata) continue; - if (wk->type != IEEE80211_WORK_DIRECT_PROBE && - wk->type != IEEE80211_WORK_AUTH && - wk->type != IEEE80211_WORK_ASSOC && - wk->type != IEEE80211_WORK_ASSOC_BEACON_WAIT) + if (tmp->type != IEEE80211_WORK_DIRECT_PROBE && + tmp->type != IEEE80211_WORK_AUTH && + tmp->type != IEEE80211_WORK_ASSOC && + tmp->type != IEEE80211_WORK_ASSOC_BEACON_WAIT) continue; - if (memcmp(req->bss->bssid, wk->filter_ta, ETH_ALEN)) + if (memcmp(req->bss->bssid, tmp->filter_ta, ETH_ALEN)) continue; - not_auth_yet = wk->type == IEEE80211_WORK_DIRECT_PROBE; - list_del_rcu(&wk->list); - free_work(wk); + not_auth_yet = tmp->type == IEEE80211_WORK_DIRECT_PROBE; + list_del_rcu(&tmp->list); + synchronize_rcu(); + wk = tmp; break; } mutex_unlock(&local->mtx); + if (wk && wk->type == IEEE80211_WORK_ASSOC) { + /* clean up dummy sta & TX sync */ + sta_info_destroy_addr(wk->sdata, wk->filter_ta); + if (wk->assoc.synced) + drv_finish_tx_sync(local, wk->sdata, + wk->filter_ta, + IEEE80211_TX_SYNC_ASSOC); + } else if (wk && wk->type == IEEE80211_WORK_AUTH) { + if (wk->probe_auth.synced) + drv_finish_tx_sync(local, wk->sdata, + wk->filter_ta, + IEEE80211_TX_SYNC_AUTH); + } + kfree(wk); + /* * If somebody requests authentication and we haven't * sent out an auth frame yet there's no need to send diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index f407427c642f..751409120769 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1979,6 +1979,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) mesh_path_error_tx(ifmsh->mshcfg.element_ttl, fwd_hdr->addr3, 0, reason, fwd_hdr->addr2, sdata); IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_no_route); + kfree_skb(fwd_skb); return RX_DROP_MONITOR; } diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index b197136aea2c..ff11f6bf8266 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -73,7 +73,7 @@ static int sta_info_hash_del(struct ieee80211_local *local, if (!s) return -ENOENT; if (s == sta) { - RCU_INIT_POINTER(local->sta_hash[STA_HASH(sta->sta.addr)], + rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)], s->hnext); return 0; } @@ -83,7 +83,7 @@ static int sta_info_hash_del(struct ieee80211_local *local, s = rcu_dereference_protected(s->hnext, lockdep_is_held(&local->sta_mtx)); if (rcu_access_pointer(s->hnext)) { - RCU_INIT_POINTER(s->hnext, sta->hnext); + rcu_assign_pointer(s->hnext, sta->hnext); return 0; } @@ -226,7 +226,7 @@ static void sta_info_hash_add(struct ieee80211_local *local, { lockdep_assert_held(&local->sta_mtx); sta->hnext = local->sta_hash[STA_HASH(sta->sta.addr)]; - RCU_INIT_POINTER(local->sta_hash[STA_HASH(sta->sta.addr)], sta); + rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)], sta); } static void sta_unblock(struct work_struct *wk) @@ -238,9 +238,11 @@ static void sta_unblock(struct work_struct *wk) if (sta->dead) return; - if (!test_sta_flag(sta, WLAN_STA_PS_STA)) + if (!test_sta_flag(sta, WLAN_STA_PS_STA)) { + local_bh_disable(); ieee80211_sta_ps_deliver_wakeup(sta); - else if (test_and_clear_sta_flag(sta, WLAN_STA_PSPOLL)) { + local_bh_enable(); + } else if (test_and_clear_sta_flag(sta, WLAN_STA_PSPOLL)) { clear_sta_flag(sta, WLAN_STA_PS_DRIVER); local_bh_disable(); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index edcd1c7ab83f..e05667cd5e76 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1001,8 +1001,6 @@ ieee80211_tx_h_stats(struct ieee80211_tx_data *tx) static ieee80211_tx_result debug_noinline ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx) { - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); - if (!tx->key) return TX_CONTINUE; @@ -1017,13 +1015,7 @@ ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx) case WLAN_CIPHER_SUITE_AES_CMAC: return ieee80211_crypto_aes_cmac_encrypt(tx); default: - /* handle hw-only algorithm */ - if (info->control.hw_key) { - ieee80211_tx_set_protected(tx); - return TX_CONTINUE; - } - break; - + return ieee80211_crypto_hw_encrypt(tx); } return TX_DROP; diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index 93aab0715e8a..b758350919ff 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -106,7 +106,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx) if (status->flag & RX_FLAG_MMIC_ERROR) goto mic_fail; - if (!(status->flag & RX_FLAG_IV_STRIPPED)) + if (!(status->flag & RX_FLAG_IV_STRIPPED) && rx->key) goto update_iv; return RX_CONTINUE; @@ -643,3 +643,22 @@ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx) return RX_CONTINUE; } + +ieee80211_tx_result +ieee80211_crypto_hw_encrypt(struct ieee80211_tx_data *tx) +{ + struct sk_buff *skb; + struct ieee80211_tx_info *info = NULL; + + skb_queue_walk(&tx->skbs, skb) { + info = IEEE80211_SKB_CB(skb); + + /* handle hw-only algorithm */ + if (!info->control.hw_key) + return TX_DROP; + } + + ieee80211_tx_set_protected(tx); + + return TX_CONTINUE; +} diff --git a/net/mac80211/wpa.h b/net/mac80211/wpa.h index baba0608313e..07e33f899c71 100644 --- a/net/mac80211/wpa.h +++ b/net/mac80211/wpa.h @@ -32,5 +32,7 @@ ieee80211_tx_result ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx); ieee80211_rx_result ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx); +ieee80211_tx_result +ieee80211_crypto_hw_encrypt(struct ieee80211_tx_data *tx); #endif /* WPA_H */ diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 86137b558f45..32dbf0fa89db 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -77,35 +77,42 @@ find_set_type(const char *name, u8 family, u8 revision) } /* Unlock, try to load a set type module and lock again */ -static int -try_to_load_type(const char *name) +static bool +load_settype(const char *name) { nfnl_unlock(); pr_debug("try to load ip_set_%s\n", name); if (request_module("ip_set_%s", name) < 0) { pr_warning("Can't find ip_set type %s\n", name); nfnl_lock(); - return -IPSET_ERR_FIND_TYPE; + return false; } nfnl_lock(); - return -EAGAIN; + return true; } /* Find a set type and reference it */ +#define find_set_type_get(name, family, revision, found) \ + __find_set_type_get(name, family, revision, found, false) + static int -find_set_type_get(const char *name, u8 family, u8 revision, - struct ip_set_type **found) +__find_set_type_get(const char *name, u8 family, u8 revision, + struct ip_set_type **found, bool retry) { struct ip_set_type *type; int err; + if (retry && !load_settype(name)) + return -IPSET_ERR_FIND_TYPE; + rcu_read_lock(); *found = find_set_type(name, family, revision); if (*found) { err = !try_module_get((*found)->me) ? -EFAULT : 0; goto unlock; } - /* Make sure the type is loaded but we don't support the revision */ + /* Make sure the type is already loaded + * but we don't support the revision */ list_for_each_entry_rcu(type, &ip_set_type_list, list) if (STREQ(type->name, name)) { err = -IPSET_ERR_FIND_TYPE; @@ -113,7 +120,8 @@ find_set_type_get(const char *name, u8 family, u8 revision, } rcu_read_unlock(); - return try_to_load_type(name); + return retry ? -IPSET_ERR_FIND_TYPE : + __find_set_type_get(name, family, revision, found, true); unlock: rcu_read_unlock(); @@ -124,12 +132,19 @@ unlock: * If we succeeded, the supported minimal and maximum revisions are * filled out. */ +#define find_set_type_minmax(name, family, min, max) \ + __find_set_type_minmax(name, family, min, max, false) + static int -find_set_type_minmax(const char *name, u8 family, u8 *min, u8 *max) +__find_set_type_minmax(const char *name, u8 family, u8 *min, u8 *max, + bool retry) { struct ip_set_type *type; bool found = false; + if (retry && !load_settype(name)) + return -IPSET_ERR_FIND_TYPE; + *min = 255; *max = 0; rcu_read_lock(); list_for_each_entry_rcu(type, &ip_set_type_list, list) @@ -145,7 +160,8 @@ find_set_type_minmax(const char *name, u8 family, u8 *min, u8 *max) if (found) return 0; - return try_to_load_type(name); + return retry ? -IPSET_ERR_FIND_TYPE : + __find_set_type_minmax(name, family, min, max, true); } #define family_name(f) ((f) == AF_INET ? "inet" : \ @@ -1126,6 +1142,7 @@ release_refcount: if (ret || !cb->args[2]) { pr_debug("release set %s\n", ip_set_list[index]->name); ip_set_put_byindex(index); + cb->args[2] = 0; } out: if (nlh) { diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index e875f8902db3..76613f5a55c0 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -777,7 +777,7 @@ init_conntrack(struct net *net, struct nf_conn *tmpl, if (exp->helper) { help = nf_ct_helper_ext_add(ct, GFP_ATOMIC); if (help) - RCU_INIT_POINTER(help->helper, exp->helper); + rcu_assign_pointer(help->helper, exp->helper); } #ifdef CONFIG_NF_CONNTRACK_MARK diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c index b62c4148b921..14af6329bdda 100644 --- a/net/netfilter/nf_conntrack_ecache.c +++ b/net/netfilter/nf_conntrack_ecache.c @@ -91,7 +91,7 @@ int nf_conntrack_register_notifier(struct net *net, ret = -EBUSY; goto out_unlock; } - RCU_INIT_POINTER(net->ct.nf_conntrack_event_cb, new); + rcu_assign_pointer(net->ct.nf_conntrack_event_cb, new); mutex_unlock(&nf_ct_ecache_mutex); return ret; @@ -128,7 +128,7 @@ int nf_ct_expect_register_notifier(struct net *net, ret = -EBUSY; goto out_unlock; } - RCU_INIT_POINTER(net->ct.nf_expect_event_cb, new); + rcu_assign_pointer(net->ct.nf_expect_event_cb, new); mutex_unlock(&nf_ct_ecache_mutex); return ret; diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c index 4605c947dcc4..641ff5f96718 100644 --- a/net/netfilter/nf_conntrack_extend.c +++ b/net/netfilter/nf_conntrack_extend.c @@ -169,7 +169,7 @@ int nf_ct_extend_register(struct nf_ct_ext_type *type) before updating alloc_size */ type->alloc_size = ALIGN(sizeof(struct nf_ct_ext), type->align) + type->len; - RCU_INIT_POINTER(nf_ct_ext_types[type->id], type); + rcu_assign_pointer(nf_ct_ext_types[type->id], type); update_alloc_size(type); out: mutex_unlock(&nf_ct_ext_type_mutex); diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index c9e0de08aa87..bbe23baa19b6 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -121,18 +121,6 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl, int ret = 0; if (tmpl != NULL) { - /* we've got a userspace helper. */ - if (tmpl->status & IPS_USERSPACE_HELPER) { - help = nf_ct_helper_ext_add(ct, flags); - if (help == NULL) { - ret = -ENOMEM; - goto out; - } - rcu_assign_pointer(help->helper, NULL); - __set_bit(IPS_USERSPACE_HELPER_BIT, &ct->status); - ret = 0; - goto out; - } help = nfct_help(tmpl); if (help != NULL) helper = help->helper; @@ -157,7 +145,7 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl, memset(&help->help, 0, sizeof(help->help)); } - RCU_INIT_POINTER(help->helper, helper); + rcu_assign_pointer(help->helper, helper); out: return ret; } diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index e07dc3ae930e..9307b033c0c9 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1172,7 +1172,7 @@ ctnetlink_change_helper(struct nf_conn *ct, const struct nlattr * const cda[]) return -EOPNOTSUPP; } - RCU_INIT_POINTER(help->helper, helper); + rcu_assign_pointer(help->helper, helper); return 0; } @@ -2042,10 +2042,6 @@ ctnetlink_create_expect(struct net *net, u16 zone, } help = nfct_help(ct); if (!help) { - err = -EOPNOTSUPP; - goto out; - } - if (test_bit(IPS_USERSPACE_HELPER_BIT, &ct->status)) { if (!cda[CTA_EXPECT_TIMEOUT]) { err = -EINVAL; goto out; diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index ce0c406f58a8..957374a234d4 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -55,7 +55,7 @@ int nf_log_register(u_int8_t pf, struct nf_logger *logger) llog = rcu_dereference_protected(nf_loggers[pf], lockdep_is_held(&nf_log_mutex)); if (llog == NULL) - RCU_INIT_POINTER(nf_loggers[pf], logger); + rcu_assign_pointer(nf_loggers[pf], logger); } mutex_unlock(&nf_log_mutex); @@ -92,7 +92,7 @@ int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger) mutex_unlock(&nf_log_mutex); return -ENOENT; } - RCU_INIT_POINTER(nf_loggers[pf], logger); + rcu_assign_pointer(nf_loggers[pf], logger); mutex_unlock(&nf_log_mutex); return 0; } @@ -250,7 +250,7 @@ static int nf_log_proc_dostring(ctl_table *table, int write, mutex_unlock(&nf_log_mutex); return -ENOENT; } - RCU_INIT_POINTER(nf_loggers[tindex], logger); + rcu_assign_pointer(nf_loggers[tindex], logger); mutex_unlock(&nf_log_mutex); } else { mutex_lock(&nf_log_mutex); diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c index 99ffd2885088..b3a7db678b8d 100644 --- a/net/netfilter/nf_queue.c +++ b/net/netfilter/nf_queue.c @@ -40,7 +40,7 @@ int nf_register_queue_handler(u_int8_t pf, const struct nf_queue_handler *qh) else if (old) ret = -EBUSY; else { - RCU_INIT_POINTER(queue_handler[pf], qh); + rcu_assign_pointer(queue_handler[pf], qh); ret = 0; } mutex_unlock(&queue_handler_mutex); diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index c879c1a2370e..4d70785b953d 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -59,7 +59,7 @@ int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n) nfnl_unlock(); return -EBUSY; } - RCU_INIT_POINTER(subsys_table[n->subsys_id], n); + rcu_assign_pointer(subsys_table[n->subsys_id], n); nfnl_unlock(); return 0; @@ -130,7 +130,7 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) const struct nfnetlink_subsystem *ss; int type, err; - if (security_netlink_recv(skb, CAP_NET_ADMIN)) + if (!capable(CAP_NET_ADMIN)) return -EPERM; /* All the messages must at least contain nfgenmsg */ @@ -210,7 +210,7 @@ static int __net_init nfnetlink_net_init(struct net *net) if (!nfnl) return -ENOMEM; net->nfnl_stash = nfnl; - RCU_INIT_POINTER(net->nfnl, nfnl); + rcu_assign_pointer(net->nfnl, nfnl); return 0; } diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 8e87123f1373..0221d10de75a 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -62,8 +62,8 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par) int ret = 0; u8 proto; - if (info->flags & ~(XT_CT_NOTRACK | XT_CT_USERSPACE_HELPER)) - return -EOPNOTSUPP; + if (info->flags & ~XT_CT_NOTRACK) + return -EINVAL; if (info->flags & XT_CT_NOTRACK) { ct = nf_ct_untracked_get(); @@ -92,9 +92,7 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par) GFP_KERNEL)) goto err3; - if (info->flags & XT_CT_USERSPACE_HELPER) { - __set_bit(IPS_USERSPACE_HELPER_BIT, &ct->status); - } else if (info->helper[0]) { + if (info->helper[0]) { ret = -ENOENT; proto = xt_ct_find_proto(par); if (!proto) { diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index 8e4992101875..d95f9c963cde 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -445,7 +445,6 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo, { __be16 _ports[2], *ports; u8 nexthdr; - __be16 frag_off; int poff; memset(dst, 0, sizeof(*dst)); @@ -466,6 +465,9 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo, break; #if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) case NFPROTO_IPV6: + { + __be16 frag_off; + if (hinfo->cfg.mode & XT_HASHLIMIT_HASH_DIP) { memcpy(&dst->ip6.dst, &ipv6_hdr(skb)->daddr, sizeof(dst->ip6.dst)); @@ -485,6 +487,7 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo, if ((int)protoff < 0) return -1; break; + } #endif default: BUG(); diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c index 38204112b9f4..d8d424337550 100644 --- a/net/netlabel/netlabel_domainhash.c +++ b/net/netlabel/netlabel_domainhash.c @@ -282,7 +282,7 @@ int __init netlbl_domhsh_init(u32 size) INIT_LIST_HEAD(&hsh_tbl->tbl[iter]); spin_lock(&netlbl_domhsh_lock); - RCU_INIT_POINTER(netlbl_domhsh, hsh_tbl); + rcu_assign_pointer(netlbl_domhsh, hsh_tbl); spin_unlock(&netlbl_domhsh_lock); return 0; @@ -330,7 +330,7 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, &rcu_dereference(netlbl_domhsh)->tbl[bkt]); } else { INIT_LIST_HEAD(&entry->list); - RCU_INIT_POINTER(netlbl_domhsh_def, entry); + rcu_assign_pointer(netlbl_domhsh_def, entry); } if (entry->type == NETLBL_NLTYPE_ADDRSELECT) { diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index 4b5fa0fe78fd..e7ff694f1049 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -354,7 +354,7 @@ static struct netlbl_unlhsh_iface *netlbl_unlhsh_add_iface(int ifindex) INIT_LIST_HEAD(&iface->list); if (netlbl_unlhsh_rcu_deref(netlbl_unlhsh_def) != NULL) goto add_iface_failure; - RCU_INIT_POINTER(netlbl_unlhsh_def, iface); + rcu_assign_pointer(netlbl_unlhsh_def, iface); } spin_unlock(&netlbl_unlhsh_lock); @@ -1447,11 +1447,9 @@ int __init netlbl_unlabel_init(u32 size) for (iter = 0; iter < hsh_tbl->size; iter++) INIT_LIST_HEAD(&hsh_tbl->tbl[iter]); - rcu_read_lock(); spin_lock(&netlbl_unlhsh_lock); - RCU_INIT_POINTER(netlbl_unlhsh, hsh_tbl); + rcu_assign_pointer(netlbl_unlhsh, hsh_tbl); spin_unlock(&netlbl_unlhsh_lock); - rcu_read_unlock(); register_netdevice_notifier(&netlbl_unlhsh_netdev_notifier); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index a403b618faa5..c29d2568c9e0 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -524,7 +524,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) return -EOPNOTSUPP; if ((ops->flags & GENL_ADMIN_PERM) && - security_netlink_recv(skb, CAP_NET_ADMIN)) + !capable(CAP_NET_ADMIN)) return -EPERM; if (nlh->nlmsg_flags & NLM_F_DUMP) { diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 9a2725114e99..ce64c18b8c79 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007-2011 Nicira Networks. + * Copyright (c) 2007-2012 Nicira Networks. * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public @@ -36,7 +36,6 @@ #include <linux/rcupdate.h> #include <linux/tcp.h> #include <linux/udp.h> -#include <linux/version.h> #include <linux/ethtool.h> #include <linux/wait.h> #include <asm/system.h> @@ -1397,9 +1396,8 @@ static int ovs_dp_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb) int i = 0; list_for_each_entry(dp, &dps, list_node) { - if (i < skip) - continue; - if (ovs_dp_cmd_fill_info(dp, skb, NETLINK_CB(cb->skb).pid, + if (i >= skip && + ovs_dp_cmd_fill_info(dp, skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, NLM_F_MULTI, OVS_DP_CMD_NEW) < 0) break; diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h index 5b9f884b7055..c73370cc1f02 100644 --- a/net/openvswitch/datapath.h +++ b/net/openvswitch/datapath.h @@ -25,7 +25,6 @@ #include <linux/netdevice.h> #include <linux/skbuff.h> #include <linux/u64_stats_sync.h> -#include <linux/version.h> #include "flow.h" diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index fe7f020a843e..1252c3081ef1 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -32,7 +32,6 @@ #include <linux/in.h> #include <linux/rcupdate.h> #include <linux/if_arp.h> -#include <linux/if_ether.h> #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/tcp.h> diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c index 8fc28b86f2b3..322b8d206693 100644 --- a/net/openvswitch/vport-internal_dev.c +++ b/net/openvswitch/vport-internal_dev.c @@ -23,7 +23,6 @@ #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/skbuff.h> -#include <linux/version.h> #include "datapath.h" #include "vport-internal_dev.h" diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c index 7f0ef3794c51..6c066ba25dc7 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c @@ -27,7 +27,6 @@ #include <linux/rcupdate.h> #include <linux/rtnetlink.h> #include <linux/compat.h> -#include <linux/version.h> #include "vport.h" #include "vport-internal_dev.h" diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c index bf10ea8fbbf9..d65f699fbf34 100644 --- a/net/phonet/af_phonet.c +++ b/net/phonet/af_phonet.c @@ -480,7 +480,7 @@ int __init_or_module phonet_proto_register(unsigned int protocol, if (proto_tab[protocol]) err = -EBUSY; else - RCU_INIT_POINTER(proto_tab[protocol], pp); + rcu_assign_pointer(proto_tab[protocol], pp); mutex_unlock(&proto_tab_lock); return err; diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c index c5827614376b..9b9a85ecc4c7 100644 --- a/net/phonet/pn_dev.c +++ b/net/phonet/pn_dev.c @@ -390,7 +390,7 @@ int phonet_route_add(struct net_device *dev, u8 daddr) daddr = daddr >> 2; mutex_lock(&routes->lock); if (routes->table[daddr] == NULL) { - RCU_INIT_POINTER(routes->table[daddr], dev); + rcu_assign_pointer(routes->table[daddr], dev); dev_hold(dev); err = 0; } diff --git a/net/phonet/socket.c b/net/phonet/socket.c index 3f8d0b1603b9..4c7eff30dfa9 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -680,7 +680,7 @@ int pn_sock_bind_res(struct sock *sk, u8 res) mutex_lock(&resource_mutex); if (pnres.sk[res] == NULL) { sock_hold(sk); - RCU_INIT_POINTER(pnres.sk[res], sk); + rcu_assign_pointer(pnres.sk[res], sk); ret = 0; } mutex_unlock(&resource_mutex); diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index bb6ad81b671d..424ff622ab5f 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -68,7 +68,6 @@ static int rds_release(struct socket *sock) { struct sock *sk = sock->sk; struct rds_sock *rs; - unsigned long flags; if (!sk) goto out; @@ -94,10 +93,10 @@ static int rds_release(struct socket *sock) rds_rdma_drop_keys(rs); rds_notify_queue_get(rs, NULL); - spin_lock_irqsave(&rds_sock_lock, flags); + spin_lock_bh(&rds_sock_lock); list_del_init(&rs->rs_item); rds_sock_count--; - spin_unlock_irqrestore(&rds_sock_lock, flags); + spin_unlock_bh(&rds_sock_lock); rds_trans_put(rs->rs_transport); @@ -409,7 +408,6 @@ static const struct proto_ops rds_proto_ops = { static int __rds_create(struct socket *sock, struct sock *sk, int protocol) { - unsigned long flags; struct rds_sock *rs; sock_init_data(sock, sk); @@ -426,10 +424,10 @@ static int __rds_create(struct socket *sock, struct sock *sk, int protocol) spin_lock_init(&rs->rs_rdma_lock); rs->rs_rdma_keys = RB_ROOT; - spin_lock_irqsave(&rds_sock_lock, flags); + spin_lock_bh(&rds_sock_lock); list_add_tail(&rs->rs_item, &rds_sock_list); rds_sock_count++; - spin_unlock_irqrestore(&rds_sock_lock, flags); + spin_unlock_bh(&rds_sock_lock); return 0; } @@ -471,12 +469,11 @@ static void rds_sock_inc_info(struct socket *sock, unsigned int len, { struct rds_sock *rs; struct rds_incoming *inc; - unsigned long flags; unsigned int total = 0; len /= sizeof(struct rds_info_message); - spin_lock_irqsave(&rds_sock_lock, flags); + spin_lock_bh(&rds_sock_lock); list_for_each_entry(rs, &rds_sock_list, rs_item) { read_lock(&rs->rs_recv_lock); @@ -492,7 +489,7 @@ static void rds_sock_inc_info(struct socket *sock, unsigned int len, read_unlock(&rs->rs_recv_lock); } - spin_unlock_irqrestore(&rds_sock_lock, flags); + spin_unlock_bh(&rds_sock_lock); lens->nr = total; lens->each = sizeof(struct rds_info_message); @@ -504,11 +501,10 @@ static void rds_sock_info(struct socket *sock, unsigned int len, { struct rds_info_socket sinfo; struct rds_sock *rs; - unsigned long flags; len /= sizeof(struct rds_info_socket); - spin_lock_irqsave(&rds_sock_lock, flags); + spin_lock_bh(&rds_sock_lock); if (len < rds_sock_count) goto out; @@ -529,7 +525,7 @@ out: lens->nr = rds_sock_count; lens->each = sizeof(struct rds_info_socket); - spin_unlock_irqrestore(&rds_sock_lock, flags); + spin_unlock_bh(&rds_sock_lock); } static void rds_exit(void) diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c index 4e1de171866c..a817705ce2d0 100644 --- a/net/rds/iw_rdma.c +++ b/net/rds/iw_rdma.c @@ -477,17 +477,6 @@ void rds_iw_sync_mr(void *trans_private, int direction) } } -static inline unsigned int rds_iw_flush_goal(struct rds_iw_mr_pool *pool, int free_all) -{ - unsigned int item_count; - - item_count = atomic_read(&pool->item_count); - if (free_all) - return item_count; - - return 0; -} - /* * Flush our pool of MRs. * At a minimum, all currently unused MRs are unmapped. @@ -500,7 +489,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all) LIST_HEAD(unmap_list); LIST_HEAD(kill_list); unsigned long flags; - unsigned int nfreed = 0, ncleaned = 0, unpinned = 0, free_goal; + unsigned int nfreed = 0, ncleaned = 0, unpinned = 0; int ret = 0; rds_iw_stats_inc(s_iw_rdma_mr_pool_flush); @@ -514,8 +503,6 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all) list_splice_init(&pool->clean_list, &kill_list); spin_unlock_irqrestore(&pool->list_lock, flags); - free_goal = rds_iw_flush_goal(pool, free_all); - /* Batched invalidate of dirty MRs. * For FMR based MRs, the mappings on the unmap list are * actually members of an ibmr (ibmr->mapping). They either diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index e7e1d0b57b3d..2776012132ea 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -419,7 +419,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) cb = netem_skb_cb(skb); if (q->gap == 0 || /* not doing reordering */ - q->counter < q->gap || /* inside last reordering gap */ + q->counter < q->gap - 1 || /* inside last reordering gap */ q->reorder < get_crandom(&q->reorder_cor)) { psched_time_t now; psched_tdiff_t delay; diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 0a7964009e8c..67494aef9acf 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -24,6 +24,7 @@ #include <net/netlink.h> #include <net/pkt_sched.h> #include <net/flow_keys.h> +#include <net/red.h> /* Stochastic Fairness Queuing algorithm. @@ -108,24 +109,30 @@ struct sfq_slot { struct sfq_head dep; /* anchor in dep[] chains */ unsigned short hash; /* hash value (index in ht[]) */ short allot; /* credit for this slot */ + + unsigned int backlog; + struct red_vars vars; }; struct sfq_sched_data { /* frequently used fields */ int limit; /* limit of total number of packets in this qdisc */ unsigned int divisor; /* number of slots in hash table */ - unsigned int maxflows; /* number of flows in flows array */ - int headdrop; - int maxdepth; /* limit of packets per flow */ + u8 headdrop; + u8 maxdepth; /* limit of packets per flow */ u32 perturbation; - struct tcf_proto *filter_list; - sfq_index cur_depth; /* depth of longest slot */ + u8 cur_depth; /* depth of longest slot */ + u8 flags; unsigned short scaled_quantum; /* SFQ_ALLOT_SIZE(quantum) */ - struct sfq_slot *tail; /* current slot in round */ + struct tcf_proto *filter_list; sfq_index *ht; /* Hash table ('divisor' slots) */ struct sfq_slot *slots; /* Flows table ('maxflows' entries) */ + struct red_parms *red_parms; + struct tc_sfqred_stats stats; + struct sfq_slot *tail; /* current slot in round */ + struct sfq_head dep[SFQ_MAX_DEPTH + 1]; /* Linked lists of slots, indexed by depth * dep[0] : list of unused flows @@ -133,6 +140,7 @@ struct sfq_sched_data { * dep[X] : list of flows with X packets */ + unsigned int maxflows; /* number of flows in flows array */ int perturb_period; unsigned int quantum; /* Allotment per round: MUST BE >= MTU */ struct timer_list perturb_timer; @@ -321,6 +329,7 @@ static unsigned int sfq_drop(struct Qdisc *sch) drop: skb = q->headdrop ? slot_dequeue_head(slot) : slot_dequeue_tail(slot); len = qdisc_pkt_len(skb); + slot->backlog -= len; sfq_dec(q, x); kfree_skb(skb); sch->q.qlen--; @@ -341,6 +350,23 @@ drop: return 0; } +/* Is ECN parameter configured */ +static int sfq_prob_mark(const struct sfq_sched_data *q) +{ + return q->flags & TC_RED_ECN; +} + +/* Should packets over max threshold just be marked */ +static int sfq_hard_mark(const struct sfq_sched_data *q) +{ + return (q->flags & (TC_RED_ECN | TC_RED_HARDDROP)) == TC_RED_ECN; +} + +static int sfq_headdrop(const struct sfq_sched_data *q) +{ + return q->headdrop; +} + static int sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) { @@ -349,6 +375,8 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) sfq_index x, qlen; struct sfq_slot *slot; int uninitialized_var(ret); + struct sk_buff *head; + int delta; hash = sfq_classify(skb, sch, &ret); if (hash == 0) { @@ -368,24 +396,75 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) q->ht[hash] = x; slot = &q->slots[x]; slot->hash = hash; + slot->backlog = 0; /* should already be 0 anyway... */ + red_set_vars(&slot->vars); + goto enqueue; } + if (q->red_parms) { + slot->vars.qavg = red_calc_qavg_no_idle_time(q->red_parms, + &slot->vars, + slot->backlog); + switch (red_action(q->red_parms, + &slot->vars, + slot->vars.qavg)) { + case RED_DONT_MARK: + break; - if (slot->qlen >= q->maxdepth) { - struct sk_buff *head; + case RED_PROB_MARK: + sch->qstats.overlimits++; + if (sfq_prob_mark(q)) { + /* We know we have at least one packet in queue */ + if (sfq_headdrop(q) && + INET_ECN_set_ce(slot->skblist_next)) { + q->stats.prob_mark_head++; + break; + } + if (INET_ECN_set_ce(skb)) { + q->stats.prob_mark++; + break; + } + } + q->stats.prob_drop++; + goto congestion_drop; + + case RED_HARD_MARK: + sch->qstats.overlimits++; + if (sfq_hard_mark(q)) { + /* We know we have at least one packet in queue */ + if (sfq_headdrop(q) && + INET_ECN_set_ce(slot->skblist_next)) { + q->stats.forced_mark_head++; + break; + } + if (INET_ECN_set_ce(skb)) { + q->stats.forced_mark++; + break; + } + } + q->stats.forced_drop++; + goto congestion_drop; + } + } - if (!q->headdrop) + if (slot->qlen >= q->maxdepth) { +congestion_drop: + if (!sfq_headdrop(q)) return qdisc_drop(skb, sch); + /* We know we have at least one packet in queue */ head = slot_dequeue_head(slot); - sch->qstats.backlog -= qdisc_pkt_len(head); + delta = qdisc_pkt_len(head) - qdisc_pkt_len(skb); + sch->qstats.backlog -= delta; + slot->backlog -= delta; qdisc_drop(head, sch); - sch->qstats.backlog += qdisc_pkt_len(skb); slot_queue_add(slot, skb); return NET_XMIT_CN; } +enqueue: sch->qstats.backlog += qdisc_pkt_len(skb); + slot->backlog += qdisc_pkt_len(skb); slot_queue_add(slot, skb); sfq_inc(q, x); if (slot->qlen == 1) { /* The flow is new */ @@ -396,6 +475,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) slot->next = q->tail->next; q->tail->next = x; } + /* We could use a bigger initial quantum for new flows */ slot->allot = q->scaled_quantum; } if (++sch->q.qlen <= q->limit) @@ -439,7 +519,7 @@ next_slot: qdisc_bstats_update(sch, skb); sch->q.qlen--; sch->qstats.backlog -= qdisc_pkt_len(skb); - + slot->backlog -= qdisc_pkt_len(skb); /* Is the slot empty? */ if (slot->qlen == 0) { q->ht[slot->hash] = SFQ_EMPTY_SLOT; @@ -490,6 +570,8 @@ static void sfq_rehash(struct Qdisc *sch) sfq_dec(q, i); __skb_queue_tail(&list, skb); } + slot->backlog = 0; + red_set_vars(&slot->vars); q->ht[slot->hash] = SFQ_EMPTY_SLOT; } q->tail = NULL; @@ -514,6 +596,11 @@ drop: sch->qstats.backlog -= qdisc_pkt_len(skb); if (slot->qlen >= q->maxdepth) goto drop; slot_queue_add(slot, skb); + if (q->red_parms) + slot->vars.qavg = red_calc_qavg(q->red_parms, + &slot->vars, + slot->backlog); + slot->backlog += qdisc_pkt_len(skb); sfq_inc(q, x); if (slot->qlen == 1) { /* The flow is new */ if (q->tail == NULL) { /* It is the first flow */ @@ -552,6 +639,7 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) struct tc_sfq_qopt *ctl = nla_data(opt); struct tc_sfq_qopt_v1 *ctl_v1 = NULL; unsigned int qlen; + struct red_parms *p = NULL; if (opt->nla_len < nla_attr_size(sizeof(*ctl))) return -EINVAL; @@ -560,7 +648,11 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) if (ctl->divisor && (!is_power_of_2(ctl->divisor) || ctl->divisor > 65536)) return -EINVAL; - + if (ctl_v1 && ctl_v1->qth_min) { + p = kmalloc(sizeof(*p), GFP_KERNEL); + if (!p) + return -ENOMEM; + } sch_tree_lock(sch); if (ctl->quantum) { q->quantum = ctl->quantum; @@ -576,6 +668,16 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) if (ctl_v1) { if (ctl_v1->depth) q->maxdepth = min_t(u32, ctl_v1->depth, SFQ_MAX_DEPTH); + if (p) { + swap(q->red_parms, p); + red_set_parms(q->red_parms, + ctl_v1->qth_min, ctl_v1->qth_max, + ctl_v1->Wlog, + ctl_v1->Plog, ctl_v1->Scell_log, + NULL, + ctl_v1->max_P); + } + q->flags = ctl_v1->flags; q->headdrop = ctl_v1->headdrop; } if (ctl->limit) { @@ -594,6 +696,7 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) q->perturbation = net_random(); } sch_tree_unlock(sch); + kfree(p); return 0; } @@ -625,6 +728,7 @@ static void sfq_destroy(struct Qdisc *sch) del_timer_sync(&q->perturb_timer); sfq_free(q->ht); sfq_free(q->slots); + kfree(q->red_parms); } static int sfq_init(struct Qdisc *sch, struct nlattr *opt) @@ -683,6 +787,7 @@ static int sfq_dump(struct Qdisc *sch, struct sk_buff *skb) struct sfq_sched_data *q = qdisc_priv(sch); unsigned char *b = skb_tail_pointer(skb); struct tc_sfq_qopt_v1 opt; + struct red_parms *p = q->red_parms; memset(&opt, 0, sizeof(opt)); opt.v0.quantum = q->quantum; @@ -693,6 +798,17 @@ static int sfq_dump(struct Qdisc *sch, struct sk_buff *skb) opt.depth = q->maxdepth; opt.headdrop = q->headdrop; + if (p) { + opt.qth_min = p->qth_min >> p->Wlog; + opt.qth_max = p->qth_max >> p->Wlog; + opt.Wlog = p->Wlog; + opt.Plog = p->Plog; + opt.Scell_log = p->Scell_log; + opt.max_P = p->max_P; + } + memcpy(&opt.stats, &q->stats, sizeof(opt.stats)); + opt.flags = q->flags; + NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt); return skb->len; @@ -747,15 +863,13 @@ static int sfq_dump_class_stats(struct Qdisc *sch, unsigned long cl, sfq_index idx = q->ht[cl - 1]; struct gnet_stats_queue qs = { 0 }; struct tc_sfq_xstats xstats = { 0 }; - struct sk_buff *skb; if (idx != SFQ_EMPTY_SLOT) { const struct sfq_slot *slot = &q->slots[idx]; xstats.allot = slot->allot << SFQ_ALLOT_SHIFT; qs.qlen = slot->qlen; - slot_queue_walk(slot, skb) - qs.backlog += qdisc_pkt_len(skb); + qs.backlog = slot->backlog; } if (gnet_stats_copy_queue(d, &qs) < 0) return -1; diff --git a/net/socket.c b/net/socket.c index e56162cd65b0..28a96af484b4 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2492,7 +2492,7 @@ int sock_register(const struct net_proto_family *ops) lockdep_is_held(&net_family_lock))) err = -EEXIST; else { - RCU_INIT_POINTER(net_families[ops->family], ops); + rcu_assign_pointer(net_families[ops->family], ops); err = 0; } spin_unlock(&net_family_lock); diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index e010a015d996..75762f346975 100644 --- a/net/sunrpc/auth_generic.c +++ b/net/sunrpc/auth_generic.c @@ -41,15 +41,17 @@ EXPORT_SYMBOL_GPL(rpc_lookup_cred); /* * Public call interface for looking up machine creds. */ -struct rpc_cred *rpc_lookup_machine_cred(void) +struct rpc_cred *rpc_lookup_machine_cred(const char *service_name) { struct auth_cred acred = { .uid = RPC_MACHINE_CRED_USERID, .gid = RPC_MACHINE_CRED_GROUPID, + .principal = service_name, .machine_cred = 1, }; - dprintk("RPC: looking up machine cred\n"); + dprintk("RPC: looking up machine cred for service %s\n", + service_name); return generic_auth.au_ops->lookup_cred(&generic_auth, &acred, 0); } EXPORT_SYMBOL_GPL(rpc_lookup_machine_cred); @@ -90,6 +92,7 @@ generic_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) if (gcred->acred.group_info != NULL) get_group_info(gcred->acred.group_info); gcred->acred.machine_cred = acred->machine_cred; + gcred->acred.principal = acred->principal; dprintk("RPC: allocated %s cred %p for uid %d gid %d\n", gcred->acred.machine_cred ? "machine" : "generic", @@ -121,6 +124,17 @@ generic_destroy_cred(struct rpc_cred *cred) call_rcu(&cred->cr_rcu, generic_free_cred_callback); } +static int +machine_cred_match(struct auth_cred *acred, struct generic_cred *gcred, int flags) +{ + if (!gcred->acred.machine_cred || + gcred->acred.principal != acred->principal || + gcred->acred.uid != acred->uid || + gcred->acred.gid != acred->gid) + return 0; + return 1; +} + /* * Match credentials against current process creds. */ @@ -130,9 +144,12 @@ generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags) struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base); int i; + if (acred->machine_cred) + return machine_cred_match(acred, gcred, flags); + if (gcred->acred.uid != acred->uid || gcred->acred.gid != acred->gid || - gcred->acred.machine_cred != acred->machine_cred) + gcred->acred.machine_cred != 0) goto out_nomatch; /* Optimisation in the case where pointers are identical... */ diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index afb56553dfe7..affa631ac1ab 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -122,7 +122,7 @@ gss_cred_set_ctx(struct rpc_cred *cred, struct gss_cl_ctx *ctx) if (!test_bit(RPCAUTH_CRED_NEW, &cred->cr_flags)) return; gss_get_ctx(ctx); - RCU_INIT_POINTER(gss_cred->gc_ctx, ctx); + rcu_assign_pointer(gss_cred->gc_ctx, ctx); set_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags); smp_mb__before_clear_bit(); clear_bit(RPCAUTH_CRED_NEW, &cred->cr_flags); @@ -392,7 +392,8 @@ static void gss_encode_v0_msg(struct gss_upcall_msg *gss_msg) } static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg, - struct rpc_clnt *clnt, int machine_cred) + struct rpc_clnt *clnt, + const char *service_name) { struct gss_api_mech *mech = gss_msg->auth->mech; char *p = gss_msg->databuf; @@ -407,12 +408,8 @@ static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg, p += len; gss_msg->msg.len += len; } - if (machine_cred) { - len = sprintf(p, "service=* "); - p += len; - gss_msg->msg.len += len; - } else if (!strcmp(clnt->cl_program->name, "nfs4_cb")) { - len = sprintf(p, "service=nfs "); + if (service_name != NULL) { + len = sprintf(p, "service=%s ", service_name); p += len; gss_msg->msg.len += len; } @@ -429,17 +426,18 @@ static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg, } static void gss_encode_msg(struct gss_upcall_msg *gss_msg, - struct rpc_clnt *clnt, int machine_cred) + struct rpc_clnt *clnt, + const char *service_name) { if (pipe_version == 0) gss_encode_v0_msg(gss_msg); else /* pipe_version == 1 */ - gss_encode_v1_msg(gss_msg, clnt, machine_cred); + gss_encode_v1_msg(gss_msg, clnt, service_name); } -static inline struct gss_upcall_msg * -gss_alloc_msg(struct gss_auth *gss_auth, uid_t uid, struct rpc_clnt *clnt, - int machine_cred) +static struct gss_upcall_msg * +gss_alloc_msg(struct gss_auth *gss_auth, struct rpc_clnt *clnt, + uid_t uid, const char *service_name) { struct gss_upcall_msg *gss_msg; int vers; @@ -459,7 +457,7 @@ gss_alloc_msg(struct gss_auth *gss_auth, uid_t uid, struct rpc_clnt *clnt, atomic_set(&gss_msg->count, 1); gss_msg->uid = uid; gss_msg->auth = gss_auth; - gss_encode_msg(gss_msg, clnt, machine_cred); + gss_encode_msg(gss_msg, clnt, service_name); return gss_msg; } @@ -471,7 +469,7 @@ gss_setup_upcall(struct rpc_clnt *clnt, struct gss_auth *gss_auth, struct rpc_cr struct gss_upcall_msg *gss_new, *gss_msg; uid_t uid = cred->cr_uid; - gss_new = gss_alloc_msg(gss_auth, uid, clnt, gss_cred->gc_machine_cred); + gss_new = gss_alloc_msg(gss_auth, clnt, uid, gss_cred->gc_principal); if (IS_ERR(gss_new)) return gss_new; gss_msg = gss_add_msg(gss_new); @@ -995,7 +993,9 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) */ cred->gc_base.cr_flags = 1UL << RPCAUTH_CRED_NEW; cred->gc_service = gss_auth->service; - cred->gc_machine_cred = acred->machine_cred; + cred->gc_principal = NULL; + if (acred->machine_cred) + cred->gc_principal = acred->principal; kref_get(&gss_auth->kref); return &cred->gc_base; @@ -1030,7 +1030,12 @@ gss_match(struct auth_cred *acred, struct rpc_cred *rc, int flags) if (!test_bit(RPCAUTH_CRED_UPTODATE, &rc->cr_flags)) return 0; out: - if (acred->machine_cred != gss_cred->gc_machine_cred) + if (acred->principal != NULL) { + if (gss_cred->gc_principal == NULL) + return 0; + return strcmp(acred->principal, gss_cred->gc_principal) == 0; + } + if (gss_cred->gc_principal != NULL) return 0; return rc->cr_uid == acred->uid; } @@ -1104,7 +1109,8 @@ static int gss_renew_cred(struct rpc_task *task) struct rpc_auth *auth = oldcred->cr_auth; struct auth_cred acred = { .uid = oldcred->cr_uid, - .machine_cred = gss_cred->gc_machine_cred, + .principal = gss_cred->gc_principal, + .machine_cred = (gss_cred->gc_principal != NULL ? 1 : 0), }; struct rpc_cred *new; diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 03b56bc3b659..465df9ae1046 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -1641,6 +1641,7 @@ int cache_register_net(struct cache_detail *cd, struct net *net) sunrpc_destroy_cache_detail(cd); return ret; } +EXPORT_SYMBOL_GPL(cache_register_net); int cache_register(struct cache_detail *cd) { @@ -1653,6 +1654,7 @@ void cache_unregister_net(struct cache_detail *cd, struct net *net) remove_cache_proc_entries(cd, net); sunrpc_destroy_cache_detail(cd); } +EXPORT_SYMBOL_GPL(cache_unregister_net); void cache_unregister(struct cache_detail *cd) { diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 9d01d46b05f3..e4aabc02368b 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -167,6 +167,7 @@ svc_pool_map_alloc_arrays(struct svc_pool_map *m, unsigned int maxpools) fail_free: kfree(m->to_pool); + m->to_pool = NULL; fail: return -ENOMEM; } @@ -285,9 +286,10 @@ svc_pool_map_put(void) mutex_lock(&svc_pool_map_mutex); if (!--m->count) { - m->mode = SVC_POOL_DEFAULT; kfree(m->to_pool); + m->to_pool = NULL; kfree(m->pool_to); + m->pool_to = NULL; m->npools = 0; } @@ -527,17 +529,20 @@ svc_destroy(struct svc_serv *serv) printk("svc_destroy: no threads for serv=%p!\n", serv); del_timer_sync(&serv->sv_temptimer); - - svc_close_all(&serv->sv_tempsocks); + /* + * The set of xprts (contained in the sv_tempsocks and + * sv_permsocks lists) is now constant, since it is modified + * only by accepting new sockets (done by service threads in + * svc_recv) or aging old ones (done by sv_temptimer), or + * configuration changes (excluded by whatever locking the + * caller is using--nfsd_mutex in the case of nfsd). So it's + * safe to traverse those lists and shut everything down: + */ + svc_close_all(serv); if (serv->sv_shutdown) serv->sv_shutdown(serv); - svc_close_all(&serv->sv_permsocks); - - BUG_ON(!list_empty(&serv->sv_permsocks)); - BUG_ON(!list_empty(&serv->sv_tempsocks)); - cache_clean_deferred(serv); if (svc_serv_is_pooled(serv)) @@ -683,8 +688,8 @@ found_pool: * Create or destroy enough new threads to make the number * of threads the given number. If `pool' is non-NULL, applies * only to threads in that pool, otherwise round-robins between - * all pools. Must be called with a svc_get() reference and - * the BKL or another lock to protect access to svc_serv fields. + * all pools. Caller must ensure that mutual exclusion between this and + * server startup or shutdown. * * Destroying threads relies on the service threads filling in * rqstp->rq_task, which only the nfs ones do. Assumes the serv diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 38649cfa4e81..74cb0d8e9ca1 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -22,6 +22,7 @@ static struct svc_deferred_req *svc_deferred_dequeue(struct svc_xprt *xprt); static int svc_deferred_recv(struct svc_rqst *rqstp); static struct cache_deferred_req *svc_defer(struct cache_req *req); static void svc_age_temp_xprts(unsigned long closure); +static void svc_delete_xprt(struct svc_xprt *xprt); /* apparently the "standard" is that clients close * idle connections after 5 minutes, servers after @@ -147,8 +148,8 @@ EXPORT_SYMBOL_GPL(svc_xprt_put); * Called by transport drivers to initialize the transport independent * portion of the transport instance. */ -void svc_xprt_init(struct svc_xprt_class *xcl, struct svc_xprt *xprt, - struct svc_serv *serv) +void svc_xprt_init(struct net *net, struct svc_xprt_class *xcl, + struct svc_xprt *xprt, struct svc_serv *serv) { memset(xprt, 0, sizeof(*xprt)); xprt->xpt_class = xcl; @@ -163,7 +164,7 @@ void svc_xprt_init(struct svc_xprt_class *xcl, struct svc_xprt *xprt, spin_lock_init(&xprt->xpt_lock); set_bit(XPT_BUSY, &xprt->xpt_flags); rpc_init_wait_queue(&xprt->xpt_bc_pending, "xpt_bc_pending"); - xprt->xpt_net = get_net(&init_net); + xprt->xpt_net = get_net(net); } EXPORT_SYMBOL_GPL(svc_xprt_init); @@ -878,7 +879,7 @@ static void call_xpt_users(struct svc_xprt *xprt) /* * Remove a dead transport */ -void svc_delete_xprt(struct svc_xprt *xprt) +static void svc_delete_xprt(struct svc_xprt *xprt) { struct svc_serv *serv = xprt->xpt_server; struct svc_deferred_req *dr; @@ -893,14 +894,7 @@ void svc_delete_xprt(struct svc_xprt *xprt) spin_lock_bh(&serv->sv_lock); if (!test_and_set_bit(XPT_DETACHED, &xprt->xpt_flags)) list_del_init(&xprt->xpt_list); - /* - * The only time we're called while xpt_ready is still on a list - * is while the list itself is about to be destroyed (in - * svc_destroy). BUT svc_xprt_enqueue could still be attempting - * to add new entries to the sp_sockets list, so we can't leave - * a freed xprt on it. - */ - list_del_init(&xprt->xpt_ready); + BUG_ON(!list_empty(&xprt->xpt_ready)); if (test_bit(XPT_TEMP, &xprt->xpt_flags)) serv->sv_tmpcnt--; spin_unlock_bh(&serv->sv_lock); @@ -928,22 +922,48 @@ void svc_close_xprt(struct svc_xprt *xprt) } EXPORT_SYMBOL_GPL(svc_close_xprt); -void svc_close_all(struct list_head *xprt_list) +static void svc_close_list(struct list_head *xprt_list) +{ + struct svc_xprt *xprt; + + list_for_each_entry(xprt, xprt_list, xpt_list) { + set_bit(XPT_CLOSE, &xprt->xpt_flags); + set_bit(XPT_BUSY, &xprt->xpt_flags); + } +} + +void svc_close_all(struct svc_serv *serv) { + struct svc_pool *pool; struct svc_xprt *xprt; struct svc_xprt *tmp; + int i; + + svc_close_list(&serv->sv_tempsocks); + svc_close_list(&serv->sv_permsocks); + for (i = 0; i < serv->sv_nrpools; i++) { + pool = &serv->sv_pools[i]; + + spin_lock_bh(&pool->sp_lock); + while (!list_empty(&pool->sp_sockets)) { + xprt = list_first_entry(&pool->sp_sockets, struct svc_xprt, xpt_ready); + list_del_init(&xprt->xpt_ready); + } + spin_unlock_bh(&pool->sp_lock); + } /* - * The server is shutting down, and no more threads are running. - * svc_xprt_enqueue() might still be running, but at worst it - * will re-add the xprt to sp_sockets, which will soon get - * freed. So we don't bother with any more locking, and don't - * leave the close to the (nonexistent) server threads: + * At this point the sp_sockets lists will stay empty, since + * svc_enqueue will not add new entries without taking the + * sp_lock and checking XPT_BUSY. */ - list_for_each_entry_safe(xprt, tmp, xprt_list, xpt_list) { - set_bit(XPT_CLOSE, &xprt->xpt_flags); + list_for_each_entry_safe(xprt, tmp, &serv->sv_tempsocks, xpt_list) svc_delete_xprt(xprt); - } + list_for_each_entry_safe(xprt, tmp, &serv->sv_permsocks, xpt_list) + svc_delete_xprt(xprt); + + BUG_ON(!list_empty(&serv->sv_permsocks)); + BUG_ON(!list_empty(&serv->sv_tempsocks)); } /* diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 4653286fcc9e..464570906f80 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -739,7 +739,8 @@ static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv) { int err, level, optname, one = 1; - svc_xprt_init(&svc_udp_class, &svsk->sk_xprt, serv); + svc_xprt_init(sock_net(svsk->sk_sock->sk), &svc_udp_class, + &svsk->sk_xprt, serv); clear_bit(XPT_CACHE_AUTH, &svsk->sk_xprt.xpt_flags); svsk->sk_sk->sk_data_ready = svc_udp_data_ready; svsk->sk_sk->sk_write_space = svc_write_space; @@ -1343,7 +1344,8 @@ static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv) { struct sock *sk = svsk->sk_sk; - svc_xprt_init(&svc_tcp_class, &svsk->sk_xprt, serv); + svc_xprt_init(sock_net(svsk->sk_sock->sk), &svc_tcp_class, + &svsk->sk_xprt, serv); set_bit(XPT_CACHE_AUTH, &svsk->sk_xprt.xpt_flags); if (sk->sk_state == TCP_LISTEN) { dprintk("setting up TCP socket for listening\n"); @@ -1659,7 +1661,7 @@ static struct svc_xprt *svc_bc_create_socket(struct svc_serv *serv, return ERR_PTR(-ENOMEM); xprt = &svsk->sk_xprt; - svc_xprt_init(&svc_tcp_bc_class, xprt, serv); + svc_xprt_init(net, &svc_tcp_bc_class, xprt, serv); serv->sv_bc_xprt = xprt; diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index 277ebd4bf095..593f4c605305 100644 --- a/net/sunrpc/xdr.c +++ b/net/sunrpc/xdr.c @@ -296,7 +296,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len) * Copies data into an arbitrary memory location from an array of pages * The copy is assumed to be non-overlapping. */ -static void +void _copy_from_pages(char *p, struct page **pages, size_t pgbase, size_t len) { struct page **pgfrom; @@ -324,6 +324,7 @@ _copy_from_pages(char *p, struct page **pages, size_t pgbase, size_t len) } while ((len -= copy) != 0); } +EXPORT_SYMBOL_GPL(_copy_from_pages); /* * xdr_shrink_bufhead diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index ba1296d88de0..894cb42db91d 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -453,7 +453,7 @@ static struct svcxprt_rdma *rdma_create_xprt(struct svc_serv *serv, if (!cma_xprt) return NULL; - svc_xprt_init(&svc_rdma_class, &cma_xprt->sc_xprt, serv); + svc_xprt_init(&init_net, &svc_rdma_class, &cma_xprt->sc_xprt, serv); INIT_LIST_HEAD(&cma_xprt->sc_accept_q); INIT_LIST_HEAD(&cma_xprt->sc_dto_q); INIT_LIST_HEAD(&cma_xprt->sc_rq_dto_q); diff --git a/net/unix/Kconfig b/net/unix/Kconfig index c2128b10e5f9..8b31ab85d050 100644 --- a/net/unix/Kconfig +++ b/net/unix/Kconfig @@ -22,7 +22,7 @@ config UNIX config UNIX_DIAG tristate "UNIX: socket monitoring interface" depends on UNIX - default UNIX + default n ---help--- Support for UNIX socket monitoring interface used by the ss tool. If unsure, say Y. diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index aad8fb699989..85d3bb7490aa 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1918,7 +1918,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, struct sk_buff *skb; unix_state_lock(sk); - skb = skb_dequeue(&sk->sk_receive_queue); + skb = skb_peek(&sk->sk_receive_queue); if (skb == NULL) { unix_sk(sk)->recursion_level = 0; if (copied >= target) @@ -1958,11 +1958,8 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, if (check_creds) { /* Never glue messages from different writers */ if ((UNIXCB(skb).pid != siocb->scm->pid) || - (UNIXCB(skb).cred != siocb->scm->cred)) { - skb_queue_head(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); + (UNIXCB(skb).cred != siocb->scm->cred)) break; - } } else { /* Copy credentials */ scm_set_cred(siocb->scm, UNIXCB(skb).pid, UNIXCB(skb).cred); @@ -1977,8 +1974,6 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, chunk = min_t(unsigned int, skb->len, size); if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) { - skb_queue_head(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); if (copied == 0) copied = -EFAULT; break; @@ -1993,13 +1988,10 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, if (UNIXCB(skb).fp) unix_detach_fds(siocb->scm, skb); - /* put the skb back if we didn't use it up.. */ - if (skb->len) { - skb_queue_head(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); + if (skb->len) break; - } + skb_unlink(skb, &sk->sk_receive_queue); consume_skb(skb); if (siocb->scm->fp) @@ -2010,9 +2002,6 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, if (UNIXCB(skb).fp) siocb->scm->fp = scm_fp_dup(UNIXCB(skb).fp); - /* put message back and return */ - skb_queue_head(&sk->sk_receive_queue, skb); - sk->sk_data_ready(sk, skb->len); break; } } while (size); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b3d3cf8931cb..afeea32e04ad 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2250,6 +2250,7 @@ static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { }; static int parse_station_flags(struct genl_info *info, + enum nl80211_iftype iftype, struct station_parameters *params) { struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; @@ -2283,8 +2284,33 @@ static int parse_station_flags(struct genl_info *info, nla, sta_flags_policy)) return -EINVAL; - params->sta_flags_mask = (1 << __NL80211_STA_FLAG_AFTER_LAST) - 1; - params->sta_flags_mask &= ~1; + /* + * Only allow certain flags for interface types so that + * other attributes are silently ignored. Remember that + * this is backward compatibility code with old userspace + * and shouldn't be hit in other cases anyway. + */ + switch (iftype) { + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_P2P_GO: + params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | + BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | + BIT(NL80211_STA_FLAG_WME) | + BIT(NL80211_STA_FLAG_MFP); + break; + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_STATION: + params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | + BIT(NL80211_STA_FLAG_TDLS_PEER); + break; + case NL80211_IFTYPE_MESH_POINT: + params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | + BIT(NL80211_STA_FLAG_MFP) | + BIT(NL80211_STA_FLAG_AUTHORIZED); + default: + return -EINVAL; + } for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) if (flags[flag]) @@ -2585,7 +2611,7 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->change_station) return -EOPNOTSUPP; - if (parse_station_flags(info, ¶ms)) + if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) return -EINVAL; if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) @@ -2731,7 +2757,7 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->add_station) return -EOPNOTSUPP; - if (parse_station_flags(info, ¶ms)) + if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) return -EINVAL; switch (dev->ieee80211_ptr->iftype) { diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index e0d747a2e803..66b84fbf2746 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2290,7 +2290,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) link = &xfrm_dispatch[type]; /* All operations require privileges, even GET */ - if (security_netlink_recv(skb, CAP_NET_ADMIN)) + if (!capable(CAP_NET_ADMIN)) return -EPERM; if ((type == (XFRM_MSG_GETSA - XFRM_MSG_BASE) || @@ -2927,7 +2927,7 @@ static int __net_init xfrm_user_net_init(struct net *net) if (nlsk == NULL) return -ENOMEM; net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */ - RCU_INIT_POINTER(net->xfrm.nlsk, nlsk); + rcu_assign_pointer(net->xfrm.nlsk, nlsk); return 0; } |