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Commit 6513e98e authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: allow passing NULL to ieee80211_vif_to_wdev() 



Simply return NULL in this case, instead of crashing. This can
simplify callers that would otherwise have to check for this
explicitly.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent e996ec2a

net/mac80211/util.c

+6 −1
Original line number Diff line number Diff line
@@ -703,7 +703,12 @@ EXPORT_SYMBOL_GPL(wdev_to_ieee80211_vif); 


struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif)

{

	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);

	struct ieee80211_sub_if_data *sdata;



	if (!vif)

		return NULL;



	sdata = vif_to_sdata(vif);



	if (!ieee80211_sdata_running(sdata) ||

	    !(sdata->flags & IEEE80211_SDATA_IN_DRIVER))