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authorfanchaoting <fanchaoting@cn.fujitsu.com>2013-04-01 21:07:22 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-06-07 16:02:05 -0700
commit79854e6ee54195b89217e72fb0443c49e158c3bd (patch)
tree912251dbf3b246687ffe06ad2500933d06d15b06
parent42b607da2d04e91439ba58d263e90a70d0243388 (diff)
nfsd: don't run get_file if nfs4_preprocess_stateid_op return error
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> [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: Rui Xiang <rui.xiang@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/nfsd/nfs4proc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index e5404945f85..97a142cde23 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -904,14 +904,14 @@ 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;