virtio_net: missing sg_init_table
Add missing sg_init_table for sg_set_buf in virtio_net which induced in defer skb patch. Reported-by: Thomas Müller <thomas@mathtm.de> Tested-by: Thomas Müller <thomas@mathtm.de> Signed-off-by: Shirley Ma <xma@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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4a1032faac
Коммит
0e413f22e4
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@ -327,6 +327,7 @@ static int add_recvbuf_small(struct virtnet_info *vi, gfp_t gfp)
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struct scatterlist sg[2];
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struct scatterlist sg[2];
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int err;
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int err;
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sg_init_table(sg, 2);
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skb = netdev_alloc_skb_ip_align(vi->dev, MAX_PACKET_LEN);
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skb = netdev_alloc_skb_ip_align(vi->dev, MAX_PACKET_LEN);
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if (unlikely(!skb))
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if (unlikely(!skb))
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return -ENOMEM;
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return -ENOMEM;
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@ -352,6 +353,7 @@ static int add_recvbuf_big(struct virtnet_info *vi, gfp_t gfp)
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char *p;
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char *p;
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int i, err, offset;
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int i, err, offset;
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sg_init_table(sg, MAX_SKB_FRAGS + 2);
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/* page in sg[MAX_SKB_FRAGS + 1] is list tail */
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/* page in sg[MAX_SKB_FRAGS + 1] is list tail */
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for (i = MAX_SKB_FRAGS + 1; i > 1; --i) {
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for (i = MAX_SKB_FRAGS + 1; i > 1; --i) {
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first = get_a_page(vi, gfp);
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first = get_a_page(vi, gfp);
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