From dac97e516c617f9c797f64b0224050b70aea30c7 Mon Sep 17 00:00:00 2001
From: Yoshinori Sano <yoshinori.sano@gmail.com>
Date: Tue, 15 Feb 2011 12:01:42 +0000
Subject: [PATCH] Btrfs: fix uncheck memory allocations

To make Btrfs code more robust, several return value checks where memory
allocation can fail are introduced. I use BUG_ON where I don't know how
to handle the error properly, which increases the number of using the
notorious BUG_ON, though.

Signed-off-by: Yoshinori Sano <yoshinori.sano@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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