From: Jan Kara <jack@suse.cz>
Date: Fri, 31 May 2013 23:38:56 +0000 (-0400)
Subject: ext4: fix data offset overflow in ext4_xattr_fiemap() on 32-bit archs
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~83^2~61
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a60697f411eb365fb09e639e6f183fe33d1eb796;p=pandora-kernel.git

ext4: fix data offset overflow in ext4_xattr_fiemap() on 32-bit archs

On 32-bit architectures with 32-bit sector_t computation of data offset
in ext4_xattr_fiemap() can overflow resulting in reporting bogus data
location. Fix the problem by typing block number to proper type before
shifting.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

Reading git-diff-tree failed