netdev - [net 11/13] ixgb: remove open-coded skb_cow

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Date:	Fri, 11 Apr 2014 06:53:01 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Francois Romieu <romieu@...zoreil.com>, netdev@...r.kernel.org,
	gospo@...hat.com, sassmann@...hat.com,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net 11/13] ixgb: remove open-coded skb_cow_head

From: Francois Romieu <romieu@...zoreil.com>

Signed-off-by: Francois Romieu <romieu@...zoreil.com>
Cc: Jesse Brandeburg <jesse.brandeburg@...el.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/ixgb/ixgb_main.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
index f42c201..6080127 100644
--- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c
+++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
@@ -1220,17 +1220,15 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb)
 	unsigned int i;
 	u8 ipcss, ipcso, tucss, tucso, hdr_len;
 	u16 ipcse, tucse, mss;
-	int err;
 
 	if (likely(skb_is_gso(skb))) {
 		struct ixgb_buffer *buffer_info;
 		struct iphdr *iph;
+		int err;
 
-		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;
 
 		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
 		mss = skb_shinfo(skb)->gso_size;
-- 
1.9.0

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