diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 96d26cfae90bd2acf55854f4818f11d4b14f2f5a..4a017a0d71ea47ae270119593f4c9e1db3632513 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3236,6 +3236,7 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
 			GENL_SET_ERR_MSG(info,"MAC is no valid source addr");
 			NL_SET_BAD_ATTR(info->extack,
 					info->attrs[HWSIM_ATTR_PERM_ADDR]);
+			kfree(hwname);
 			return -EINVAL;
 		}