diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index e278f97..ca170b4 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1028,6 +1028,7 @@
 
 	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
 	ieee80211_tx_skb(sdata, skb);
+	kfree(buf);
 }
 
 u32 ieee80211_sta_get_rates(struct ieee80211_local *local,