提交 06c14e5a 编写于 作者: F Francois Romieu 提交者: Jeff Kirsher

igb: remove open-coded skb_cow_head

Signed-off-by: NFrancois Romieu <romieu@fr.zoreil.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: NAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
上级 bcf1f57f
......@@ -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;
......
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