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i40e: remove open-coded skb_cow_head

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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Francois Romieu 2014-03-30 03:14:48 +00:00 committed by Jeff Kirsher
parent b14878ccb7
commit dd225bc675
1 changed files with 9 additions and 9 deletions
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18
drivers/net/ethernet/intel/i40e/i40e_txrx.c
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@ -1713,9 +1713,11 @@ static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb,
I40E_TX_FLAGS_VLAN_PRIO_SHIFT;
if (tx_flags & I40E_TX_FLAGS_SW_VLAN) {
struct vlan_ethhdr *vhdr;
if (skb_header_cloned(skb) &&
pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
return -ENOMEM;
int rc;
rc = skb_cow_head(skb, 0);
if (rc < 0)
return rc;
vhdr = (struct vlan_ethhdr *)skb->data;
vhdr->h_vlan_TCI = htons(tx_flags >>
I40E_TX_FLAGS_VLAN_SHIFT);
@ -1743,20 +1745,18 @@ 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)
return 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);