Commit 9fbc630c authored May 15, 2010 by Felix Fietkau Committed by John W. Linville May 21, 2010

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>

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) {