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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 25dc77ccbf58..3f5be35dea25 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -326,6 +326,7 @@ static int add_recvbuf_small(struct virtnet_info *vi, gfp_t gfp)
         struct scatterlist sg[2];
         int err;
 
+        sg_init_table(sg, 2);
         skb = netdev_alloc_skb_ip_align(vi->dev, MAX_PACKET_LEN);
         if (unlikely(!skb))
                 return -ENOMEM;
@@ -351,6 +352,7 @@ static int add_recvbuf_big(struct virtnet_info *vi, gfp_t gfp)
         char *p;
         int i, err, offset;
 
+        sg_init_table(sg, MAX_SKB_FRAGS + 2);
         /* page in sg[MAX_SKB_FRAGS + 1] is list tail */
         for (i = MAX_SKB_FRAGS + 1; i > 1; --i) {
                 first = get_a_page(vi, gfp);