From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 18 Jul 2012 13:32:50 +0000 (+0400)
Subject: unobfuscate follow_up() a bit
X-Git-Tag: v3.6~263^2~62
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3c0a6163688b8ca3f44029c7bdb3d91a865c878a;p=platform%2Fkernel%2Flinux-amlogic.git

unobfuscate follow_up() a bit

really convoluted test in there has grown up during struct mount
introduction; what it checks is that we'd reached the root of
mount tree.
---

diff --git a/fs/namei.c b/fs/namei.c
index c14dfac..d4d15bb 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -722,7 +722,7 @@ int follow_up(struct path *path)
 
 	br_read_lock(&vfsmount_lock);
 	parent = mnt->mnt_parent;
-	if (&parent->mnt == path->mnt) {
+	if (parent == mnt) {
 		br_read_unlock(&vfsmount_lock);
 		return 0;
 	}