From: Amitkumar Karwar <akarwar@marvell.com>
Date: Thu, 2 Feb 2012 04:41:44 +0000 (-0800)
Subject: mwifiex: fix NULL pointer dereference in set_channel()
X-Git-Tag: v3.4-rc1~177^2~112^2~321
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=477778bb0e7c671860528946b412294684337c5e;p=pandora-kernel.git

mwifiex: fix NULL pointer dereference in set_channel()

In set_channel() callback handler, "priv" pointer is derived from
net_device. Sometimes net_device pointer coming from the stack
is NULL which causes kernel crash.
This patch fixes the problem by deriving "priv" from wiphy
when net_device pointer is NULL.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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