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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: dd820ed633 ("wifi: mac80211: return error from control port TX for drops")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220818043349.4168835-1-yangyingliang@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Yang Yingliang 2022-08-18 12:33:49 +08:00 committed by Johannes Berg
parent 36fe8e4e5c
commit 62b03f45c6
1 changed files with 1 additions and 0 deletions
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net/mac80211/tx.c
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@ -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;
}