linux-kernel - [PATCH next-next-2.6 v2] virtio_net: missing sg_init

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Message-ID: <1269911955.14013.4.camel@localhost.localdomain>
Date:	Mon, 29 Mar 2010 18:19:15 -0700
From:	Shirley Ma <mashirle@...ibm.com>
To:	David Miller <davem@...emloft.net>
Cc:	Thomas Müller <thomas@...htm.de>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH next-next-2.6 v2] 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@...htm.de>
Tested-by: Thomas Müller <thomas@...htm.de>
Signed-off-by: Shirley Ma <xma@...ibm.com>

---
 drivers/net/virtio_net.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 25dc77c..3f5be35 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);


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