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authorAbhishek Kulkarni <adkulkar@umail.iu.edu>2009-07-14 13:25:41 -0500
committerEric Van Hensbergen <ericvh@vTrogdor.(none)>2009-07-14 15:54:41 -0500
commiteedfe1c4289216af5a0a7f38e6b2c4d3f07c087f (patch)
tree5e08b79c88c36ef0607f830523f253305abf8dff /net/9p/client.c
parenta17d1720aa35623a9bef3707b36242706714bca5 (diff)
9p: Possible regression in p9_client_stat
Fix a possible regression with p9_client_stat where it can try to kfree an ERR_PTR after an erroneous p9pdu_readf. Also remove an unnecessary data buffer increment in p9_client_read. Signed-off-by: Abhishek Kulkarni <adkulkar@umail.iu.edu> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net/9p/client.c')
-rw-r--r--net/9p/client.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 783a41077403..787ccddb85ea 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1098,7 +1098,6 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
if (data) {
memmove(data, dataptr, count);
- data += count;
}
if (udata) {
@@ -1192,9 +1191,9 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
err = p9pdu_readf(req->rc, clnt->dotu, "wS", &ignored, ret);
if (err) {
- ret = ERR_PTR(err);
p9pdu_dump(1, req->rc);
- goto free_and_error;
+ p9_free_req(clnt, req);
+ goto error;
}
P9_DPRINTK(P9_DEBUG_9P,
@@ -1211,8 +1210,6 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
p9_free_req(clnt, req);
return ret;
-free_and_error:
- p9_free_req(clnt, req);
error:
kfree(ret);
return ERR_PTR(err);