diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index 55ecd5ebac0f..8a6cb34e6b5f 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -70,6 +70,7 @@ EXPORT_SYMBOL(blackhole_netdev); static netdev_tx_t loopback_xmit(struct sk_buff *skb, struct net_device *dev) { + enum skb_drop_reason reason; int len; skb_tx_timestamp(skb); @@ -84,7 +85,12 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb, */ skb_dst_force(skb); - skb->protocol = eth_type_trans(skb, dev); + reason = eth_type_trans_careful(skb, dev); + if (unlikely(reason)) { + dev_core_stats_tx_dropped_inc(dev); + kfree_skb_reason(skb, reason); + return NETDEV_TX_OK; + } len = skb->len; if (likely(__netif_rx(skb) == NET_RX_SUCCESS))