1 files changed, 4 insertions, 1 deletions

diff --git a/fs/pnode.c b/fs/pnode.c
index f968e35d9785..d18d66491a01 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -46,7 +46,11 @@ static int do_make_slave(struct vfsmount *mnt)
                 if (peer_mnt == mnt)
                         peer_mnt = NULL;
         }
+        if (IS_MNT_SHARED(mnt) && list_empty(&mnt->mnt_share))
+                mnt_release_group_id(mnt);
+
         list_del_init(&mnt->mnt_share);
+        mnt->mnt_group_id = 0;
 
         if (peer_mnt)
                 master = peer_mnt;
@@ -68,7 +72,6 @@ static int do_make_slave(struct vfsmount *mnt)
         }
         mnt->mnt_master = master;
         CLEAR_MNT_SHARED(mnt);
-        INIT_LIST_HEAD(&mnt->mnt_slave_list);
         return 0;
 }