diff options
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f0c2824f5e0..3d0ce4468ce 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -546,8 +546,8 @@ static int add_recvbuf_small(struct receive_queue *rq, gfp_t gfp) skb_put(skb, GOOD_PACKET_LEN); hdr = skb_vnet_hdr(skb); + sg_init_table(rq->sg, MAX_SKB_FRAGS + 2); sg_set_buf(rq->sg, &hdr->hdr, sizeof hdr->hdr); - skb_to_sgvec(skb, rq->sg + 1, 0, skb->len); err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp); @@ -563,6 +563,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp) char *p; int i, err, offset; + sg_init_table(rq->sg, MAX_SKB_FRAGS + 2); + /* page in rq->sg[MAX_SKB_FRAGS + 1] is list tail */ for (i = MAX_SKB_FRAGS + 1; i > 1; --i) { first = get_a_page(rq, gfp); @@ -899,6 +901,7 @@ static int xmit_skb(struct send_queue *sq, struct sk_buff *skb) if (vi->mergeable_rx_bufs) hdr->mhdr.num_buffers = 0; + sg_init_table(sq->sg, MAX_SKB_FRAGS + 2); if (can_push) { __skb_push(skb, hdr_len); num_sg = skb_to_sgvec(skb, sq->sg, 0, skb->len); @@ -953,7 +956,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) } } - if (!skb->xmit_more) + if (__netif_subqueue_stopped(dev, qnum) || !skb->xmit_more) virtqueue_kick(sq->vq); return NETDEV_TX_OK; |