Commit 62b03f45 authored by Yang Yingliang's avatar Yang Yingliang Committed by Johannes Berg
Browse files

wifi: mac80211: fix possible leak in ieee80211_tx_control_port() 



Add missing dev_kfree_skb() in an error path in
ieee80211_tx_control_port() to avoid a memory leak.

Fixes: dd820ed6 ("wifi: mac80211: return error from control port TX for drops")
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220818043349.4168835-1-yangyingliang@huawei.com


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 36fe8e4e

net/mac80211/tx.c

+1 −0
Original line number Diff line number Diff line
@@ -5885,6 +5885,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev, 
	rcu_read_lock();

	err = ieee80211_lookup_ra_sta(sdata, skb, &sta);

	if (err) {

		dev_kfree_skb(skb);

		rcu_read_unlock();

		return err;

	}