From: Li Zefan <lizf@cn.fujitsu.com>
Date: Tue, 9 Nov 2010 00:27:27 +0000 (+0800)
Subject: btrfs: Fix error handling in zlib
X-Git-Tag: v2.6.38-rc1~14^2~15^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b72029dc3fd6ba7dc45ccd1cf0aa0ebfa209bd3;p=pandora-kernel.git

btrfs: Fix error handling in zlib

Return failure if alloc_page() fails to allocate memory,
and the upper code will just give up compression.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
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