[PATCH review for 4.9 33/50] ceph: don't update_dentry_lease unless we actually got one

[Levin, Alexander (Sasha Levin)]

From: Jeff Layton <jlayton@xxxxxxxxxx>

[ Upstream commit 80d025ffede88969f6adf7266fbdedfd5641148a ]

This if block updates the dentry lease even in the case where
the MDS didn't grant one.

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Reviewed-by: Yan, Zheng <zyan@xxxxxxxxxx>
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
---
 fs/ceph/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 953275b651bc..4a6df2ce0f76 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1323,8 +1323,8 @@ retry_lookup:
 				ceph_dir_clear_ordered(dir);
 				dout("d_delete %p\n", dn);
 				d_delete(dn);
-			} else {
-				if (have_lease && d_unhashed(dn))
+			} else if (have_lease) {
+				if (d_unhashed(dn))
 					d_add(dn, NULL);
 				update_dentry_lease(dn, rinfo->dlease,
 						    session,
-- 
2.11.0