From: Michael S. Tsirkin <mst@redhat.com>
Date: Fri, 24 Oct 2014 11:23:52 +0000 (+0300)
Subject: vhost/net: larger header for virtio 1.0
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e4fca7d6ff1a8f784336b04aff3278cb7fc76332;p=linux-beck.git

vhost/net: larger header for virtio 1.0

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
---

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index c218188c8880..8ff4a6dd2387 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -1030,7 +1030,8 @@ static int vhost_net_set_features(struct vhost_net *n, u64 features)
 	size_t vhost_hlen, sock_hlen, hdr_len;
 	int i;
 
-	hdr_len = (features & (1 << VIRTIO_NET_F_MRG_RXBUF)) ?
+	hdr_len = (features & ((1ULL << VIRTIO_NET_F_MRG_RXBUF) |
+			       (1ULL << VIRTIO_F_VERSION_1))) ?
 			sizeof(struct virtio_net_hdr_mrg_rxbuf) :
 			sizeof(struct virtio_net_hdr);
 	if (features & (1 << VHOST_NET_F_VIRTIO_NET_HDR)) {