summaryrefslogtreecommitdiff
path: root/net/sunrpc
diff options
context:
space:
mode:
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/auth.c2
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c38
-rw-r--r--net/sunrpc/auth_unix.c2
-rw-r--r--net/sunrpc/cache.c5
-rw-r--r--net/sunrpc/clnt.c7
-rw-r--r--net/sunrpc/rpc_pipe.c60
-rw-r--r--net/sunrpc/svc.c9
-rw-r--r--net/sunrpc/svcsock.c2
8 files changed, 76 insertions, 49 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 8c7756036e95..9ac1b8c26c01 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -94,7 +94,7 @@ rpcauth_init_credcache(struct rpc_auth *auth, unsigned long expire)
struct rpc_cred_cache *new;
int i;
- new = (struct rpc_cred_cache *)kmalloc(sizeof(*new), GFP_KERNEL);
+ new = kmalloc(sizeof(*new), GFP_KERNEL);
if (!new)
return -ENOMEM;
for (i = 0; i < RPC_CREDCACHE_NR; i++)
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index e4ada15ed856..23632d84d8d7 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -420,7 +420,8 @@ static int rsc_parse(struct cache_detail *cd,
gss_mech_put(gm);
goto out;
}
- if (gss_import_sec_context(buf, len, gm, &rsci.mechctx)) {
+ status = gss_import_sec_context(buf, len, gm, &rsci.mechctx);
+ if (status) {
gss_mech_put(gm);
goto out;
}
@@ -586,6 +587,20 @@ gss_verify_header(struct svc_rqst *rqstp, struct rsc *rsci,
}
static int
+gss_write_null_verf(struct svc_rqst *rqstp)
+{
+ u32 *p;
+
+ svc_putu32(rqstp->rq_res.head, htonl(RPC_AUTH_NULL));
+ p = rqstp->rq_res.head->iov_base + rqstp->rq_res.head->iov_len;
+ /* don't really need to check if head->iov_len > PAGE_SIZE ... */
+ *p++ = 0;
+ if (!xdr_ressize_check(rqstp, p))
+ return -1;
+ return 0;
+}
+
+static int
gss_write_verf(struct svc_rqst *rqstp, struct gss_ctx *ctx_id, u32 seq)
{
u32 xdr_seq;
@@ -741,6 +756,21 @@ svcauth_gss_set_client(struct svc_rqst *rqstp)
return SVC_OK;
}
+static inline int
+gss_write_init_verf(struct svc_rqst *rqstp, struct rsi *rsip)
+{
+ struct rsc *rsci;
+
+ if (rsip->major_status != GSS_S_COMPLETE)
+ return gss_write_null_verf(rqstp);
+ rsci = gss_svc_searchbyctx(&rsip->out_handle);
+ if (rsci == NULL) {
+ rsip->major_status = GSS_S_NO_CONTEXT;
+ return gss_write_null_verf(rqstp);
+ }
+ return gss_write_verf(rqstp, rsci->mechctx, GSS_SEQ_WIN);
+}
+
/*
* Accept an rpcsec packet.
* If context establishment, punt to user space
@@ -876,11 +906,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, u32 *authp)
case -ENOENT:
goto drop;
case 0:
- rsci = gss_svc_searchbyctx(&rsip->out_handle);
- if (!rsci) {
- goto drop;
- }
- if (gss_write_verf(rqstp, rsci->mechctx, GSS_SEQ_WIN))
+ if (gss_write_init_verf(rqstp, rsip))
goto drop;
if (resv->iov_len + 4 > PAGE_SIZE)
goto drop;
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index 890fb5ea0dcb..1b3ed4fd1987 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -70,7 +70,7 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
dprintk("RPC: allocating UNIX cred for uid %d gid %d\n",
acred->uid, acred->gid);
- if (!(cred = (struct unx_cred *) kmalloc(sizeof(*cred), GFP_KERNEL)))
+ if (!(cred = kmalloc(sizeof(*cred), GFP_KERNEL)))
return ERR_PTR(-ENOMEM);
atomic_set(&cred->uc_count, 1);
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index f509e9992767..dcaa0c4453ff 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -575,12 +575,11 @@ cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
if (rp->q.list.next == &cd->queue) {
spin_unlock(&queue_lock);
up(&queue_io_sem);
- if (rp->offset)
- BUG();
+ BUG_ON(rp->offset);
return 0;
}
rq = container_of(rp->q.list.next, struct cache_request, q.list);
- if (rq->q.reader) BUG();
+ BUG_ON(rq->q.reader);
if (rp->offset == 0)
rq->readers++;
spin_unlock(&queue_lock);
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 5530ac8c6df9..d2f0550c4ba0 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -118,7 +118,7 @@ rpc_new_client(struct rpc_xprt *xprt, char *servname,
goto out_err;
err = -ENOMEM;
- clnt = (struct rpc_clnt *) kmalloc(sizeof(*clnt), GFP_KERNEL);
+ clnt = kmalloc(sizeof(*clnt), GFP_KERNEL);
if (!clnt)
goto out_err;
memset(clnt, 0, sizeof(*clnt));
@@ -225,7 +225,7 @@ rpc_clone_client(struct rpc_clnt *clnt)
{
struct rpc_clnt *new;
- new = (struct rpc_clnt *)kmalloc(sizeof(*new), GFP_KERNEL);
+ new = kmalloc(sizeof(*new), GFP_KERNEL);
if (!new)
goto out_no_clnt;
memcpy(new, clnt, sizeof(*new));
@@ -268,7 +268,8 @@ rpc_shutdown_client(struct rpc_clnt *clnt)
clnt->cl_oneshot = 0;
clnt->cl_dead = 0;
rpc_killall_tasks(clnt);
- sleep_on_timeout(&destroy_wait, 1*HZ);
+ wait_event_timeout(destroy_wait,
+ !atomic_read(&clnt->cl_users), 1*HZ);
}
if (atomic_read(&clnt->cl_users) < 0) {
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 24cc23af9b95..9764c80ab0b2 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -69,13 +69,13 @@ rpc_timeout_upcall_queue(void *data)
struct rpc_inode *rpci = (struct rpc_inode *)data;
struct inode *inode = &rpci->vfs_inode;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
if (rpci->ops == NULL)
goto out;
if (rpci->nreaders == 0 && !list_empty(&rpci->pipe))
__rpc_purge_upcall(inode, -ETIMEDOUT);
out:
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
}
int
@@ -84,7 +84,7 @@ rpc_queue_upcall(struct inode *inode, struct rpc_pipe_msg *msg)
struct rpc_inode *rpci = RPC_I(inode);
int res = -EPIPE;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
if (rpci->ops == NULL)
goto out;
if (rpci->nreaders) {
@@ -100,7 +100,7 @@ rpc_queue_upcall(struct inode *inode, struct rpc_pipe_msg *msg)
res = 0;
}
out:
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
wake_up(&rpci->waitq);
return res;
}
@@ -116,7 +116,7 @@ rpc_close_pipes(struct inode *inode)
{
struct rpc_inode *rpci = RPC_I(inode);
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
if (rpci->ops != NULL) {
rpci->nreaders = 0;
__rpc_purge_list(rpci, &rpci->in_upcall, -EPIPE);
@@ -127,7 +127,7 @@ rpc_close_pipes(struct inode *inode)
rpci->ops = NULL;
}
rpc_inode_setowner(inode, NULL);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
cancel_delayed_work(&rpci->queue_timeout);
flush_scheduled_work();
}
@@ -154,7 +154,7 @@ rpc_pipe_open(struct inode *inode, struct file *filp)
struct rpc_inode *rpci = RPC_I(inode);
int res = -ENXIO;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
if (rpci->ops != NULL) {
if (filp->f_mode & FMODE_READ)
rpci->nreaders ++;
@@ -162,7 +162,7 @@ rpc_pipe_open(struct inode *inode, struct file *filp)
rpci->nwriters ++;
res = 0;
}
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
return res;
}
@@ -172,7 +172,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp)
struct rpc_inode *rpci = RPC_I(inode);
struct rpc_pipe_msg *msg;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
if (rpci->ops == NULL)
goto out;
msg = (struct rpc_pipe_msg *)filp->private_data;
@@ -190,7 +190,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp)
if (rpci->ops->release_pipe)
rpci->ops->release_pipe(inode);
out:
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
return 0;
}
@@ -202,7 +202,7 @@ rpc_pipe_read(struct file *filp, char __user *buf, size_t len, loff_t *offset)
struct rpc_pipe_msg *msg;
int res = 0;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
if (rpci->ops == NULL) {
res = -EPIPE;
goto out_unlock;
@@ -229,7 +229,7 @@ rpc_pipe_read(struct file *filp, char __user *buf, size_t len, loff_t *offset)
rpci->ops->destroy_msg(msg);
}
out_unlock:
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
return res;
}
@@ -240,11 +240,11 @@ rpc_pipe_write(struct file *filp, const char __user *buf, size_t len, loff_t *of
struct rpc_inode *rpci = RPC_I(inode);
int res;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
res = -EPIPE;
if (rpci->ops != NULL)
res = rpci->ops->downcall(filp, buf, len);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
return res;
}
@@ -322,7 +322,7 @@ rpc_info_open(struct inode *inode, struct file *file)
if (!ret) {
struct seq_file *m = file->private_data;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
clnt = RPC_I(inode)->private;
if (clnt) {
atomic_inc(&clnt->cl_users);
@@ -331,7 +331,7 @@ rpc_info_open(struct inode *inode, struct file *file)
single_release(inode, file);
ret = -EINVAL;
}
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
}
return ret;
}
@@ -491,11 +491,11 @@ rpc_depopulate(struct dentry *parent)
struct dentry *dentry, *dvec[10];
int n = 0;
- down(&dir->i_sem);
+ mutex_lock(&dir->i_mutex);
repeat:
spin_lock(&dcache_lock);
list_for_each_safe(pos, next, &parent->d_subdirs) {
- dentry = list_entry(pos, struct dentry, d_child);
+ dentry = list_entry(pos, struct dentry, d_u.d_child);
spin_lock(&dentry->d_lock);
if (!d_unhashed(dentry)) {
dget_locked(dentry);
@@ -519,7 +519,7 @@ repeat:
} while (n);
goto repeat;
}
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
}
static int
@@ -532,7 +532,7 @@ rpc_populate(struct dentry *parent,
struct dentry *dentry;
int mode, i;
- down(&dir->i_sem);
+ mutex_lock(&dir->i_mutex);
for (i = start; i < eof; i++) {
dentry = d_alloc_name(parent, files[i].name);
if (!dentry)
@@ -552,10 +552,10 @@ rpc_populate(struct dentry *parent,
dir->i_nlink++;
d_add(dentry, inode);
}
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
return 0;
out_bad:
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
printk(KERN_WARNING "%s: %s failed to populate directory %s\n",
__FILE__, __FUNCTION__, parent->d_name.name);
return -ENOMEM;
@@ -609,7 +609,7 @@ rpc_lookup_negative(char *path, struct nameidata *nd)
if ((error = rpc_lookup_parent(path, nd)) != 0)
return ERR_PTR(error);
dir = nd->dentry->d_inode;
- down(&dir->i_sem);
+ mutex_lock(&dir->i_mutex);
dentry = lookup_hash(nd);
if (IS_ERR(dentry))
goto out_err;
@@ -620,7 +620,7 @@ rpc_lookup_negative(char *path, struct nameidata *nd)
}
return dentry;
out_err:
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
rpc_release_path(nd);
return dentry;
}
@@ -646,7 +646,7 @@ rpc_mkdir(char *path, struct rpc_clnt *rpc_client)
if (error)
goto err_depopulate;
out:
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
rpc_release_path(&nd);
return dentry;
err_depopulate:
@@ -671,7 +671,7 @@ rpc_rmdir(char *path)
if ((error = rpc_lookup_parent(path, &nd)) != 0)
return error;
dir = nd.dentry->d_inode;
- down(&dir->i_sem);
+ mutex_lock(&dir->i_mutex);
dentry = lookup_hash(&nd);
if (IS_ERR(dentry)) {
error = PTR_ERR(dentry);
@@ -681,7 +681,7 @@ rpc_rmdir(char *path)
error = __rpc_rmdir(dir, dentry);
dput(dentry);
out_release:
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
rpc_release_path(&nd);
return error;
}
@@ -710,7 +710,7 @@ rpc_mkpipe(char *path, void *private, struct rpc_pipe_ops *ops, int flags)
rpci->ops = ops;
inode_dir_notify(dir, DN_CREATE);
out:
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
rpc_release_path(&nd);
return dentry;
err_dput:
@@ -732,7 +732,7 @@ rpc_unlink(char *path)
if ((error = rpc_lookup_parent(path, &nd)) != 0)
return error;
dir = nd.dentry->d_inode;
- down(&dir->i_sem);
+ mutex_lock(&dir->i_mutex);
dentry = lookup_hash(&nd);
if (IS_ERR(dentry)) {
error = PTR_ERR(dentry);
@@ -746,7 +746,7 @@ rpc_unlink(char *path)
dput(dentry);
inode_dir_notify(dir, DN_DELETE);
out_release:
- up(&dir->i_sem);
+ mutex_unlock(&dir->i_mutex);
rpc_release_path(&nd);
return error;
}
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index e4296c8b861e..b08419e1fc68 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -32,7 +32,7 @@ svc_create(struct svc_program *prog, unsigned int bufsize)
int vers;
unsigned int xdrsize;
- if (!(serv = (struct svc_serv *) kmalloc(sizeof(*serv), GFP_KERNEL)))
+ if (!(serv = kmalloc(sizeof(*serv), GFP_KERNEL)))
return NULL;
memset(serv, 0, sizeof(*serv));
serv->sv_name = prog->pg_name;
@@ -122,8 +122,7 @@ svc_init_buffer(struct svc_rqst *rqstp, unsigned int size)
rqstp->rq_argused = 0;
rqstp->rq_resused = 0;
arghi = 0;
- if (pages > RPCSVC_MAXPAGES)
- BUG();
+ BUG_ON(pages > RPCSVC_MAXPAGES);
while (pages) {
struct page *p = alloc_page(GFP_KERNEL);
if (!p)
@@ -167,8 +166,8 @@ svc_create_thread(svc_thread_fn func, struct svc_serv *serv)
memset(rqstp, 0, sizeof(*rqstp));
init_waitqueue_head(&rqstp->rq_wait);
- if (!(rqstp->rq_argp = (u32 *) kmalloc(serv->sv_xdrsize, GFP_KERNEL))
- || !(rqstp->rq_resp = (u32 *) kmalloc(serv->sv_xdrsize, GFP_KERNEL))
+ if (!(rqstp->rq_argp = kmalloc(serv->sv_xdrsize, GFP_KERNEL))
+ || !(rqstp->rq_resp = kmalloc(serv->sv_xdrsize, GFP_KERNEL))
|| !svc_init_buffer(rqstp, serv->sv_bufsz))
goto out_thread;
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index e67613e4eb18..50580620e897 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1527,6 +1527,7 @@ svc_defer(struct cache_req *req)
dr->handle.owner = rqstp->rq_server;
dr->prot = rqstp->rq_prot;
dr->addr = rqstp->rq_addr;
+ dr->daddr = rqstp->rq_daddr;
dr->argslen = rqstp->rq_arg.len >> 2;
memcpy(dr->args, rqstp->rq_arg.head[0].iov_base-skip, dr->argslen<<2);
}
@@ -1552,6 +1553,7 @@ static int svc_deferred_recv(struct svc_rqst *rqstp)
rqstp->rq_arg.len = dr->argslen<<2;
rqstp->rq_prot = dr->prot;
rqstp->rq_addr = dr->addr;
+ rqstp->rq_daddr = dr->daddr;
return dr->argslen<<2;
}