diff options
| -rw-r--r-- | drivers/net/ethernet/sun/sunvnet.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 2b10b85d8a0..22e0cad1b4b 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -1192,23 +1192,16 @@ static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb) skb_pull(skb, maclen); if (port->tso && gso_size < datalen) { + if (skb_unclone(skb, GFP_ATOMIC)) + goto out_dropped; + /* segment to TSO size */ skb_shinfo(skb)->gso_size = datalen; skb_shinfo(skb)->gso_segs = gso_segs; - - segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO); - - /* restore gso_size & gso_segs */ - skb_shinfo(skb)->gso_size = gso_size; - skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(skb->len - hlen, - gso_size); - } else - segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO); - if (IS_ERR(segs)) { - dev->stats.tx_dropped++; - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; } + segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO); + if (IS_ERR(segs)) + goto out_dropped; skb_push(skb, maclen); skb_reset_mac_header(skb); @@ -1246,6 +1239,10 @@ static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb) if (!(status & NETDEV_TX_MASK)) dev_kfree_skb_any(skb); return status; +out_dropped: + dev->stats.tx_dropped++; + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; } static int vnet_start_xmit(struct sk_buff *skb, struct net_device *dev) |