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atl1: remove open-coded skb_cow_head.

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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Chris Snook <chris.snook@gmail.com>
Cc: Jay Cliburn <jcliburn@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
françois romieu 2014-03-29 12:26:14 +01:00 committed by David S. Miller
parent c3f0dd3899
commit 4067caba45
1 changed files with 7 additions and 8 deletions
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15
drivers/net/ethernet/atheros/atlx/atl1.c
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@ -2118,18 +2118,17 @@ static u16 atl1_tpd_avail(struct atl1_tpd_ring *tpd_ring)
}
static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,
struct tx_packet_desc *ptpd)
struct tx_packet_desc *ptpd)
{
u8 hdr_len, ip_off;
u32 real_len;
int err;
if (skb_shinfo(skb)->gso_size) {
if (skb_header_cloned(skb)) {
err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
if (unlikely(err))
return -1;
}
int err;
err = skb_cow_head(skb, 0);
if (err < 0)
return err;
if (skb->protocol == htons(ETH_P_IP)) {
struct iphdr *iph = ip_hdr(skb);
@ -2175,7 +2174,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,
return 3;
}
}
return false;
return 0;
}
static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb,