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authorJeff Layton <jlayton@primarydata.com>2014-12-13 09:11:39 -0500
committerJ. Bruce Fields <bfields@redhat.com>2015-01-07 13:38:21 -0500
commit94ae1db226a5bcbb48372d81161f084c9e283fd8 (patch)
tree696ef809d14d51b48112195e06dbf7bd599807c4 /fs
parentb1940cd21c0f4abdce101253e860feff547291b0 (diff)
downloadop-kernel-dev-94ae1db226a5bcbb48372d81161f084c9e283fd8.zip
op-kernel-dev-94ae1db226a5bcbb48372d81161f084c9e283fd8.tar.gz
nfsd: fix fi_delegees leak when fi_had_conflict returns true
Currently, nfs4_set_delegation takes a reference to an existing delegation and then checks to see if there is a conflict. If there is one, then it doesn't release that reference. Change the code to take the reference after the check and only if there is no conflict. Signed-off-by: Jeff Layton <jlayton@primarydata.com> Cc: stable@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4state.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3550a9c..c06a1ba 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3897,11 +3897,11 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
status = nfs4_setlease(dp);
goto out;
}
- atomic_inc(&fp->fi_delegees);
if (fp->fi_had_conflict) {
status = -EAGAIN;
goto out_unlock;
}
+ atomic_inc(&fp->fi_delegees);
hash_delegation_locked(dp, fp);
status = 0;
out_unlock:
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