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igb: 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: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Francois Romieu 2014-03-30 03:14:11 +00:00 committed by Jeff Kirsher
parent bcf1f57fbf
commit 06c14e5adb
1 changed files with 4 additions and 5 deletions
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9
drivers/net/ethernet/intel/igb/igb_main.c
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@ -4605,6 +4605,7 @@ static int igb_tso(struct igb_ring *tx_ring,
struct sk_buff *skb = first->skb;
u32 vlan_macip_lens, type_tucmd;
u32 mss_l4len_idx, l4len;
int err;
if (skb->ip_summed != CHECKSUM_PARTIAL)
return 0;
@ -4612,11 +4613,9 @@ static int igb_tso(struct igb_ring *tx_ring,
if (!skb_is_gso(skb))
return 0;
if (skb_header_cloned(skb)) {
int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
if (err)
return err;
}
err = skb_cow_head(skb, 0);
if (err < 0)
return err;
/* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
type_tucmd = E1000_ADVTXD_TUCMD_L4T_TCP;