Commit 9fbc630c authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

cfg80211: fix crash in cfg80211_set_freq() 



Since wdev can be NULL, check it before dereferencing it

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b9f2e39d

net/wireless/chan.c

+1 −1
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ int cfg80211_set_freq(struct cfg80211_registered_device *rdev, 
	struct ieee80211_channel *chan;

	int result;



	if (wdev->iftype == NL80211_IFTYPE_MONITOR)

	if (wdev && wdev->iftype == NL80211_IFTYPE_MONITOR)

		wdev = NULL;



	if (wdev) {