From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Date: Sat, 12 Jan 2013 09:22:33 +0000 (-0800)
Subject: Ext3: add necessary check in case IO error happens
X-Git-Tag: v3.9-rc1~65^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=61f43e6880dee5983999fe40bf96c1cf43740b4c;p=pandora-kernel.git

Ext3: add necessary check in case IO error happens

As we know io error may happen when the function 'sb_getblk'
is called.Add necessary check for it

The patch also fix a coding style problem.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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