diff options
| -rw-r--r-- | net/9p/client.c | 74 |
1 files changed, 44 insertions, 30 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index 90ee9efeede3..a9982df00a3a 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -587,16 +587,56 @@ static void p9_fid_destroy(struct p9_fid *fid) kfree(fid); } -struct p9_client *p9_client_create(const char *dev_name, char *options) +static int p9_client_version(struct p9_client *clnt) { - int err, n; - struct p9_client *clnt; + int err = 0; struct p9_fcall *tc, *rc; struct p9_str *version; + P9_DPRINTK(P9_DEBUG_9P, "%p\n", clnt); err = 0; tc = NULL; rc = NULL; + + tc = p9_create_tversion(clnt->msize, + clnt->dotu ? "9P2000.u" : "9P2000"); + if (IS_ERR(tc)) { + err = PTR_ERR(tc); + tc = NULL; + goto error; + } + + err = p9_client_rpc(clnt, tc, &rc); + if (err) + goto error; + + version = &rc->params.rversion.version; + if (version->len == 8 && !memcmp(version->str, "9P2000.u", 8)) + clnt->dotu = 1; + else if (version->len == 6 && !memcmp(version->str, "9P2000", 6)) + clnt->dotu = 0; + else { + err = -EREMOTEIO; + goto error; + } + + if (rc->params.rversion.msize < clnt->msize) + clnt->msize = rc->params.rversion.msize; + +error: + kfree(tc); + kfree(rc); + + return err; +} +EXPORT_SYMBOL(p9_client_auth); + +struct p9_client *p9_client_create(const char *dev_name, char *options) +{ + int err; + struct p9_client *clnt; + + err = 0; clnt = kmalloc(sizeof(struct p9_client), GFP_KERNEL); if (!clnt) return ERR_PTR(-ENOMEM); @@ -628,7 +668,6 @@ struct p9_client *p9_client_create(const char *dev_name, char *options) P9_DPRINTK(P9_DEBUG_9P, "clnt %p trans %p msize %d dotu %d\n", clnt, clnt->trans_mod, clnt->msize, clnt->dotu); - err = clnt->trans_mod->create(clnt, dev_name, options); if (err) goto error; @@ -636,38 +675,13 @@ struct p9_client *p9_client_create(const char *dev_name, char *options) if ((clnt->msize+P9_IOHDRSZ) > clnt->trans_mod->maxsize) clnt->msize = clnt->trans_mod->maxsize-P9_IOHDRSZ; - tc = p9_create_tversion(clnt->msize, clnt->dotu?"9P2000.u":"9P2000"); - if (IS_ERR(tc)) { - err = PTR_ERR(tc); - tc = NULL; - goto error; - } - - err = p9_client_rpc(clnt, tc, &rc); + err = p9_client_version(clnt); if (err) goto error; - version = &rc->params.rversion.version; - if (version->len == 8 && !memcmp(version->str, "9P2000.u", 8)) - clnt->dotu = 1; - else if (version->len == 6 && !memcmp(version->str, "9P2000", 6)) - clnt->dotu = 0; - else { - err = -EREMOTEIO; - goto error; - } - - n = rc->params.rversion.msize; - if (n < clnt->msize) - clnt->msize = n; - - kfree(tc); - kfree(rc); return clnt; error: - kfree(tc); - kfree(rc); p9_client_destroy(clnt); return ERR_PTR(err); } |