diff options
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/smsc95xx.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 65cb1abfbe5..bc86f4b6ecc 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1163,9 +1163,8 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) static u32 smsc95xx_calc_csum_preamble(struct sk_buff *skb) { - int len = skb->data - skb->head; - u16 high_16 = (u16)(skb->csum_offset + skb->csum_start - len); - u16 low_16 = (u16)(skb->csum_start - len); + u16 low_16 = (u16)skb_checksum_start_offset(skb); + u16 high_16 = low_16 + skb->csum_offset; return (high_16 << 16) | low_16; } @@ -1193,7 +1192,7 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev, if (skb->len <= 45) { /* workaround - hardware tx checksum does not work * properly with extremely small packets */ - long csstart = skb->csum_start - skb_headroom(skb); + long csstart = skb_checksum_start_offset(skb); __wsum calc = csum_partial(skb->data + csstart, skb->len - csstart, 0); *((__sum16 *)(skb->data + csstart |