[01/13] ceph: fix null pointer dereference in ceph_flush_snaps()
diff mbox

Message ID 20170904093908.57316-2-zyan@redhat.com
State New
Headers show

Commit Message

Yan, Zheng Sept. 4, 2017, 9:38 a.m. UTC
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
---
 fs/ceph/caps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 662ada467c32..5daf86621871 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1469,7 +1469,7 @@  void ceph_flush_snaps(struct ceph_inode_info *ci,
 
 	if (psession) {
 		*psession = session;
-	} else {
+	} else if (session) {
 		mutex_unlock(&session->s_mutex);
 		ceph_put_mds_session(session);
 	}