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authorDavid S. Miller <davem@davemloft.net>2017-04-22 05:23:53 +0200
committerDavid S. Miller <davem@davemloft.net>2017-04-22 05:23:53 +0200
commitfb796707d7a6c9b24fdf80b9b4f24fa5ffcf0ec5 (patch)
treeb8c12edf3f510170cece6e9cf5337094af3095f2 /drivers/net/usb/kaweth.c
parentnet: Remove NET_CORE_BUDGET_USECS from sysctl binary interface. (diff)
parentMerge tag 'nfsd-4.11-2' of git://linux-nfs.org/~bfields/linux (diff)
downloadlinux-fb796707d7a6c9b24fdf80b9b4f24fa5ffcf0ec5.tar.xz
linux-fb796707d7a6c9b24fdf80b9b4f24fa5ffcf0ec5.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Both conflict were simple overlapping changes. In the kaweth case, Eric Dumazet's skb_cow() bug fix overlapped the conversion of the driver in net-next to use in-netdev stats. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/kaweth.c')
-rw-r--r--drivers/net/usb/kaweth.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 3d8ea18df696..37fb621fde86 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -801,18 +801,12 @@ static netdev_tx_t kaweth_start_xmit(struct sk_buff *skb,
}
/* We now decide whether we can put our special header into the sk_buff */
- if (skb_cloned(skb) || skb_headroom(skb) < 2) {
- /* no such luck - we make our own */
- struct sk_buff *copied_skb;
- copied_skb = skb_copy_expand(skb, 2, 0, GFP_ATOMIC);
- dev_kfree_skb_irq(skb);
- skb = copied_skb;
- if (!copied_skb) {
- net->stats.tx_errors++;
- netif_start_queue(net);
- spin_unlock_irq(&kaweth->device_lock);
- return NETDEV_TX_OK;
- }
+ if (skb_cow_head(skb, 2)) {
+ net->stats.tx_errors++;
+ netif_start_queue(net);
+ spin_unlock_irq(&kaweth->device_lock);
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
}
private_header = (__le16 *)__skb_push(skb, 2);