igb: remove open-coded skb_cow_head

Signed-off-by: Francois Romieu <[email protected]> Cc: Jesse Brandeburg <[email protected]> Tested-by: Aaron Brown <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
ambv · Apr 11, 2014 · 06c14e5 · 06c14e5
1 parent bcf1f57
commit 06c14e5
Showing 1 changed file with 4 additions and 5 deletions.
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4605,18 +4605,17 @@ 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;
 
 	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;