diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 780acf23fd19..e9ec1da9935d 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3167,7 +3167,7 @@ static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info)
 			goto out_err;
 		}
 
-		genlmsg_reply(skb, info);
+		res = genlmsg_reply(skb, info);
 		break;
 	}