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| author | Arun R Bharadwaj <arun@linux.vnet.ibm.com> | 2010-07-28 12:47:26 +0400 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2010-10-28 18:08:45 +0400 |
| commit | 4f7ebe807242898ee08ed732d56982874442c304 (patch) | |
| tree | 25d8cec6b3a487fb9b44b3af20179a6f7b5db36d | |
| parent | 7c7298cffc8f4417c95117c2a432f962c066499d (diff) | |
| download | linux-4f7ebe807242898ee08ed732d56982874442c304.tar.xz | |
net/9p: This patch implements TLERROR/RLERROR on the 9P client.
Signed-off-by: Arun R Bharadwaj <arun@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| -rw-r--r-- | include/net/9p/9p.h | 4 | ||||
| -rw-r--r-- | net/9p/client.c | 43 |
2 files changed, 31 insertions, 16 deletions
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h index a8de812ccbc8..a4a1b043a8c4 100644 --- a/include/net/9p/9p.h +++ b/include/net/9p/9p.h @@ -86,6 +86,8 @@ do { \ /** * enum p9_msg_t - 9P message types + * @P9_TLERROR: not used + * @P9_RLERROR: response for any failed request for 9P2000.L * @P9_TSTATFS: file system status request * @P9_RSTATFS: file system status response * @P9_TSYMLINK: make symlink request @@ -137,6 +139,8 @@ do { \ */ enum p9_msg_t { + P9_TLERROR = 6, + P9_RLERROR, P9_TSTATFS = 8, P9_RSTATFS, P9_TLOPEN = 12, diff --git a/net/9p/client.c b/net/9p/client.c index 83bf0541d66f..c155cc45eff9 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -450,32 +450,43 @@ static int p9_check_errors(struct p9_client *c, struct p9_req_t *req) return err; } - if (type == P9_RERROR) { + if (type == P9_RERROR || type == P9_RLERROR) { int ecode; - char *ename; - err = p9pdu_readf(req->rc, c->proto_version, "s?d", - &ename, &ecode); - if (err) { - P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n", - err); - return err; - } + if (!p9_is_proto_dotl(c)) { + char *ename; - if (p9_is_proto_dotu(c) || - p9_is_proto_dotl(c)) - err = -ecode; + err = p9pdu_readf(req->rc, c->proto_version, "s?d", + &ename, &ecode); + if (err) + goto out_err; - if (!err || !IS_ERR_VALUE(err)) - err = p9_errstr2errno(ename, strlen(ename)); + if (p9_is_proto_dotu(c)) + err = -ecode; - P9_DPRINTK(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", -ecode, ename); + if (!err || !IS_ERR_VALUE(err)) { + err = p9_errstr2errno(ename, strlen(ename)); + + P9_DPRINTK(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); + } - kfree(ename); } else err = 0; return err; + +out_err: + P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n", err); + + return err; } /** |