From 6f84e23646704c93fa878c5b87a4990be8d1ca9c Mon Sep 17 00:00:00 2001
From: Fabian Frederick <fabf@skynet.be>
Date: Fri, 4 Jul 2014 21:10:27 +0200
Subject: [PATCH] btrfs: use PTR_ERR_OR_ZERO

replace IS_ERR/PTR_ERR

Cc: Chris Mason <clm@fb.com>
Cc: Josef Bacik <jbacik@fb.com>
Cc: linux-btrfs@vger.kernel.org
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Chris Mason <clm@fb.com>
---
Reading git-format-patch failed