From: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Date: Thu, 18 Sep 2014 06:30:41 +0000 (+0200)
Subject: ath9k: Fix NULL pointer dereference on early irq
X-Git-Tag: fixes-for-v3.18-merge-window~72^2~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ba7d144d39a596cf5d09390ee7de21cfb69cf2b;p=pandora-kernel.git

ath9k: Fix NULL pointer dereference on early irq

The ah struct might not have been initialized when
interrupt comes so check for it.

Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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