[PATCH] umount_tree() decrements mount count on wrong dentry

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/namespace.c b/fs/namespace.c
index a2bef5c8103359322278350a6ea7beb926aed926..058a44865bebdad95cb9416eefcedd1dd1473c25 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -494,7 +494,7 @@ void umount_tree(struct vfsmount *mnt, int propagate, struct list_head *kill)
                p->mnt_namespace = NULL;
                list_del_init(&p->mnt_child);
                if (p->mnt_parent != p)
-                       mnt->mnt_mountpoint->d_mounted--;
+                       p->mnt_mountpoint->d_mounted--;
                change_mnt_propagation(p, MS_PRIVATE);
        }
 }