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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/smsc95xx.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/smsc95xx.c')
-rw-r--r--drivers/net/usb/smsc95xx.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 4db2b6e0ba62..765400b62168 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -2002,13 +2002,13 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
/* We do not advertise SG, so skbs should be already linearized */
BUG_ON(skb_shinfo(skb)->nr_frags);
- if (skb_headroom(skb) < overhead) {
- struct sk_buff *skb2 = skb_copy_expand(skb,
- overhead, 0, flags);
+ /* Make writable and expand header space by overhead if required */
+ if (skb_cow_head(skb, overhead)) {
+ /* Must deallocate here as returning NULL to indicate error
+ * means the skb won't be deallocated in the caller.
+ */
dev_kfree_skb_any(skb);
- skb = skb2;
- if (!skb)
- return NULL;
+ return NULL;
}
if (csum) {