diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 0e3a1753a51c..8a0ea62d87c8 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -569,6 +569,10 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 	/* KRACK protection, shouldn't happen but just silently accept key */
 	if (err == -EALREADY)
 		err = 0;
+	else if (err < 0) {
+		printk("%d, %p, %s\n", err, key, __func__);
+		ieee80211_key_free_unused(key);
+	}
 
  out_unlock:
 	mutex_unlock(&local->sta_mtx);