diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/usb/ax88179_178a.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 5a468f317ca5..fb0caa289d0b 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1169,31 +1169,18 @@ ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) int frame_size = dev->maxpacket; int mss = skb_shinfo(skb)->gso_size; int headroom; - int tailroom; tx_hdr1 = skb->len; tx_hdr2 = mss; if (((skb->len + 8) % frame_size) == 0) tx_hdr2 |= 0x80008000; /* Enable padding */ - headroom = skb_headroom(skb); - tailroom = skb_tailroom(skb); + headroom = skb_headroom(skb) - 8; - if (!skb_header_cloned(skb) && - !skb_cloned(skb) && - (headroom + tailroom) >= 8) { - if (headroom < 8) { - skb->data = memmove(skb->head + 8, skb->data, skb->len); - skb_set_tail_pointer(skb, skb->len); - } - } else { - struct sk_buff *skb2; - - skb2 = skb_copy_expand(skb, 8, 0, flags); + if ((skb_header_cloned(skb) || headroom < 0) && + pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) { dev_kfree_skb_any(skb); - skb = skb2; - if (!skb) - return NULL; + return NULL; } skb_push(skb, 4); |