ceph: drop unnecessary WARN_ON in caps migration

If we don't have the exported cap it's because we already released it. No
need to WARN.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 57d9b44a8820..726c8d445995 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2550,9 +2550,8 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
                         ci->i_cap_exporting_issued = cap->issued;
                 }
                 __ceph_remove_cap(cap);
-        } else {
-                WARN_ON(!cap);
         }
+        /* else, we already released it */
 
         spin_unlock(&inode->i_lock);
 }