diff options
Diffstat (limited to 'drivers/net/xen-netback')
| -rw-r--r-- | drivers/net/xen-netback/netback.c | 15 | ||||
| -rw-r--r-- | drivers/net/xen-netback/xenbus.c | 2 |
2 files changed, 13 insertions, 4 deletions
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index f09948b009dd..1d9940d4e8c7 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -1169,15 +1169,24 @@ static int xenvif_tx_submit(struct xenvif_queue *queue) continue; } - skb_probe_transport_header(skb, 0); + skb_probe_transport_header(skb); /* If the packet is GSO then we will have just set up the * transport header offset in checksum_setup so it's now * straightforward to calculate gso_segs. */ if (skb_is_gso(skb)) { - int mss = skb_shinfo(skb)->gso_size; - int hdrlen = skb_transport_header(skb) - + int mss, hdrlen; + + /* GSO implies having the L4 header. */ + WARN_ON_ONCE(!skb_transport_header_was_set(skb)); + if (unlikely(!skb_transport_header_was_set(skb))) { + kfree_skb(skb); + continue; + } + + mss = skb_shinfo(skb)->gso_size; + hdrlen = skb_transport_header(skb) - skb_mac_header(skb) + tcp_hdrlen(skb); diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 2625740bdc4a..330ddb64930f 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -655,7 +655,7 @@ static void frontend_changed(struct xenbus_device *dev, set_backend_state(be, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; - /* fall through if not online */ + /* fall through - if not online */ case XenbusStateUnknown: set_backend_state(be, XenbusStateClosed); device_unregister(&dev->dev); |