From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 28 Sep 2010 18:57:19 +0000 (+0200)
Subject: x86, irq: Plug memory leak in sparse irq
X-Git-Tag: v2.6.36-rc7~21^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cf180c94e9166cda083ff65333883ab3648e852;p=pandora-kernel.git

x86, irq: Plug memory leak in sparse irq

free_irq_cfg() is not freeing the cpumask_vars in irq_cfg. Fixing this
triggers a use after free caused by the fact that copying struct
irq_cfg is done with memcpy, which copies the pointer not the cpumask.

Fix both places.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
LKML-Reference: <alpine.LFD.2.00.1009282052570.2416@localhost6.localdomain6>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---

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