From: Jan Kara <jack@suse.cz>
Date: Mon, 18 Oct 2010 22:24:21 +0000 (+0200)
Subject: quota: Fix possible oops in __dquot_initialize()
X-Git-Tag: v2.6.37-rc1~78^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4408ea41c0ab4b711d4da44dd954fb06dce6c3f8;p=pandora-kernel.git

quota: Fix possible oops in __dquot_initialize()

When quotaon(8) races with __dquot_initialize() or dqget() fails because
of EIO, ENOSPC, or similar error, we could possibly dereference NULL pointer
in inode->i_dquot[cnt]. Add proper checking.

Reported-by: Dmitry Monakhov <dmonakhov@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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