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virtio_net: missing sg_init_table

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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>
This commit is contained in:
Shirley Ma
2010-03-29 15:19:15 +00:00
committed by David S. Miller
parent 36c0d8cca3
commit 2c45cd43ff
1 changed files with 2 additions and 0 deletions
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2
drivers/net/virtio_net.c
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@@ -326,6 +326,7 @@ static int add_recvbuf_small(struct virtnet_info *vi, gfp_t gfp)
struct scatterlist sg[2]; struct scatterlist sg[2];
int err; int err;
sg_init_table(sg, 2);
skb = netdev_alloc_skb_ip_align(vi->dev, MAX_PACKET_LEN); skb = netdev_alloc_skb_ip_align(vi->dev, MAX_PACKET_LEN);
if (unlikely(!skb)) if (unlikely(!skb))
return -ENOMEM; return -ENOMEM;
@@ -351,6 +352,7 @@ static int add_recvbuf_big(struct virtnet_info *vi, gfp_t gfp)
char *p; char *p;
int i, err, offset; int i, err, offset;
sg_init_table(sg, MAX_SKB_FRAGS + 2);
/* page in sg[MAX_SKB_FRAGS + 1] is list tail */ /* page in sg[MAX_SKB_FRAGS + 1] is list tail */
for (i = MAX_SKB_FRAGS + 1; i > 1; --i) { for (i = MAX_SKB_FRAGS + 1; i > 1; --i) {
first = get_a_page(vi, gfp); first = get_a_page(vi, gfp);