From 9fbc630c89fd210e15ffe84fd6e968a2d39000b0 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 15 May 2010 15:46:17 +0200
Subject: [PATCH] cfg80211: fix crash in cfg80211_set_freq()

Since wdev can be NULL, check it before dereferencing it

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Reading git-format-patch failed