diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index e34c52d059d3..bf82ef9874ab 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3349,6 +3349,14 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) else virtqueue_disable_cb(sq->vq); + if (!use_napi && + unlikely(skb_orphan_frags(skb, GFP_ATOMIC))) { + DEV_STATS_INC(dev, tx_dropped); + dev_kfree_skb_any(skb); + kick = !xmit_more || netif_xmit_stopped(txq); + goto kick_vq; + } + /* timestamp packet in software */ skb_tx_timestamp(skb); @@ -3381,6 +3389,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) kick = use_napi ? __netdev_tx_sent_queue(txq, skb->len, xmit_more) : !xmit_more || netif_xmit_stopped(txq); +kick_vq: if (kick) { if (virtqueue_kick_prepare(sq->vq) && virtqueue_notify(sq->vq)) { u64_stats_update_begin(&sq->stats.syncp);