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i40evf: remove open-coded skb_cow_head 

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Francois Romieu 2014-03-30 03:14:53 +00:00 committed by Jeff Kirsher
parent a173f045a8
commit fe6d4aa437
1 changed files with 4 additions and 6 deletions
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8
drivers/net/ethernet/intel/i40evf/i40e_txrx.c
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@ -1114,20 +1114,18 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb,
u64 *cd_type_cmd_tso_mss, u32 *cd_tunneling)
{
u32 cd_cmd, cd_tso_len, cd_mss;
struct ipv6hdr *ipv6h;
struct tcphdr *tcph;
struct iphdr *iph;
u32 l4len;
int err;
struct ipv6hdr *ipv6h;
if (!skb_is_gso(skb))
return 0;
if (skb_header_cloned(skb)) {
err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
if (err)
err = skb_cow_head(skb, 0);
if (err < 0)
return err;
}
if (protocol == htons(ETH_P_IP)) {
iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);