From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Date: Wed, 10 Apr 2013 11:22:50 +0000 (+0000)
Subject: Btrfs: remove some BUG_ONs() when walking backref tree
X-Git-Tag: v3.10-rc1~31^2~62
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1149ab6bd48cf3b00c59e4f8ff79fbb1cf15b94b;p=pandora-kernel.git

Btrfs: remove some BUG_ONs() when walking backref tree

The only error return value of __add_prelim_ref() is -ENOMEM,
just return errors rather than trigger BUG_ON().

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
---

Reading git-diff-tree failed