summaryrefslogtreecommitdiff
path: root/drivers/net/usb/smsc95xx.c
diff options
context:
space:
mode:
authorOtavio Salvador <otavio@ossystems.com.br>2019-03-28 10:47:24 -0300
committerGitHub <noreply@github.com>2019-03-28 10:47:24 -0300
commit0a8ab17689e628c84a666195bfc6ab85d11cf057 (patch)
tree01630dc4a6935df99bf7d11d34ff8d384fed86e2 /drivers/net/usb/smsc95xx.c
parent1e71d8c630cbc0d1f5d762fd019690b5cdb880ae (diff)
parent32aca03c2ce868d3412da0bb6ce6798c7bea357e (diff)
Merge pull request #46 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
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 e29f4c0767eb..e719ecd69d01 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -2011,13 +2011,13 @@ 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) {