kclient: fix mdsc->snap_empty cleanup

diff --git a/src/kernel/snap.c b/src/kernel/snap.c
index 12043e38203a90329d0cb371c3d7ca486440b43b..89e94f8666b13705c5aef89ea90cc942b27c07bf 100644 (file)
--- a/src/kernel/snap.c
+++ b/src/kernel/snap.c
@@ -195,7 +195,7 @@ static void __cleanup_empty_realms(struct ceph_mds_client *mdsc)
 
        spin_lock(&mdsc->snap_empty_lock);
        while (!list_empty(&mdsc->snap_empty)) {
-               realm = list_entry(&mdsc->snap_empty, struct ceph_snap_realm,
+               realm = list_entry(mdsc->snap_empty.next, struct ceph_snap_realm,
                                   empty_item);
                list_del(&realm->empty_item);
                spin_unlock(&mdsc->snap_empty_lock);