mac802154: use goto label on failure

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Reviewed-by: Stefan Schmidt <s.schmidt@samsung.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/mac802154/rx.c b/net/mac802154/rx.c
index 041dbd5..c0d67b2 100644
--- a/net/mac802154/rx.c
+++ b/net/mac802154/rx.c
@@ -85,8 +85,7 @@
 	default:
 		spin_unlock_bh(&sdata->mib_lock);
 		pr_debug("invalid dest mode\n");
-		kfree_skb(skb);
-		return NET_RX_DROP;
+		goto fail;
 	}
 
 	spin_unlock_bh(&sdata->mib_lock);