[PATCH] umount_tree() will unhash everything itself

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/pnode.c b/fs/pnode.c
index a9e0d6f..f968e35 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -212,8 +212,7 @@
 out:
 	spin_lock(&vfsmount_lock);
 	while (!list_empty(&tmp_list)) {
-		child = list_entry(tmp_list.next, struct vfsmount, mnt_hash);
-		list_del_init(&child->mnt_hash);
+		child = list_first_entry(&tmp_list, struct vfsmount, mnt_hash);
 		umount_tree(child, 0, &umount_list);
 	}
 	spin_unlock(&vfsmount_lock);