From: liubo <liubo2009@cn.fujitsu.com>
Date: Wed, 26 Jan 2011 06:21:39 +0000 (+0000)
Subject: btrfs: fix uncheck memory allocation in btrfs_submit_compressed_read
X-Git-Tag: v2.6.38-rc4~2^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b82ce8d824bd46053e46a895876cde39d9026e4;p=pandora-kernel.git

btrfs: fix uncheck memory allocation in btrfs_submit_compressed_read

btrfs_submit_compressed_read() is lack of memory allocation checks and
corresponding error route.

After this fix, if it comes to "no memory" case, errno will be returned
to userland step by step, and tell users this operation cannot go on.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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