From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Date: Fri, 29 Mar 2013 23:03:21 +0000 (+0000)
Subject: Btrfs: kill some BUG_ONs() in the find_parent_nodes()
X-Git-Tag: v3.10-rc1~31^2~78
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f172393952a8771ca8970b8fcdd332a5a6ea0f56;p=pandora-kernel.git

Btrfs: kill some BUG_ONs() in the find_parent_nodes()

The reason that BUG_ON() happens in these places is just
because of ENOMEM.

We try ro return ENOMEM rather than trigger BUG_ON(), the
caller will abort the transaction thus avoiding the kernel panic.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Reviewed-by: Miao Xie <miaox@cn.fujitsu.com>
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
---

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