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9p: Possible regression in p9_client_stat

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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>
This commit is contained in:
Abhishek Kulkarni 2009-07-14 13:25:41 -05:00 committed by Eric Van Hensbergen
parent a17d1720aa
commit eedfe1c428
1 changed files with 2 additions and 5 deletions
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7
net/9p/client.c
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@ -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);