From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 6 Jun 2013 15:14:31 +0000 (-0400)
Subject: ext4: verify group number in verify_group_input() before using it
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~83^2~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b302ef2d3c73d8a07ed2f0679ce35f00b6dcacef;p=pandora-kernel.git

ext4: verify group number in verify_group_input() before using it

Check the group number for sanity earilier, before calling routines
such as ext4_bg_has_super() or ext4_group_overhead_blocks().

Reported-by: Jonathan Salwan <jonathan.salwan@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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