Patchwork [004/115] nfsd: don't run get_file if nfs4_preprocess_stateid_op return error

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Submitter Luis Henriques
Date May 20, 2013, 10:50 a.m.
Message ID <1369047116-9378-5-git-send-email-luis.henriques@canonical.com>
Download mbox | patch
Permalink /patch/244891/
State New
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Luis Henriques - May 20, 2013, 10:50 a.m.
3.5.7.13 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: fanchaoting <fanchaoting@cn.fujitsu.com>

commit b022032e195ffca83d7002d6b84297d796ed443b upstream.

we should return error status directly when nfs4_preprocess_stateid_op
return error.

Signed-off-by: fanchaoting <fanchaoting@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
[ luis: adjust context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 fs/nfsd/nfs4proc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Patch

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index dd0308d..7e97d93 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -893,14 +893,14 @@  nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 
 	nfs4_lock_state();
 	status = nfs4_preprocess_stateid_op(cstate, stateid, WR_STATE, &filp);
-	if (filp)
-		get_file(filp);
-	nfs4_unlock_state();
-
 	if (status) {
+		nfs4_unlock_state();
 		dprintk("NFSD: nfsd4_write: couldn't process stateid!\n");
 		return status;
 	}
+	if (filp)
+		get_file(filp);
+	nfs4_unlock_state();
 
 	cnt = write->wr_buflen;
 	write->wr_how_written = write->wr_stable_how;