From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 1 Feb 2006 12:53:21 +0000 (-0500)
Subject: [PATCH] umount_tree() decrements mount count on wrong dentry
X-Git-Tag: firefly_0821_release~38134
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f30ac319f1b91878cdc57a50930f15c36e0e103a;p=firefly-linux-kernel-4.4.55.git

[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 a2bef5c81033..058a44865beb 100644
--- 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);
 	}
 }