Felix Fietkau 9fbc630c89 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>
2010-05-21 14:40:00 -04:00
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