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authorFrancois Romieu <romieu@fr.zoreil.com>2014-03-30 03:14:53 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2014-04-11 06:16:12 -0700
commitfe6d4aa437baf185bc98b83eaff229a3ac5d738c (patch)
tree27f0c45549aab0ca6eb841d93f32d4cd9d53daf7
parenta173f045a870cacd3037cb97681dc3ee8ef9f49e (diff)
downloadlinux-fe6d4aa437baf185bc98b83eaff229a3ac5d738c.tar.gz
linux-fe6d4aa437baf185bc98b83eaff229a3ac5d738c.tar.xz
i40evf: remove open-coded skb_cow_head
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 53be5f44d015..b9f50f40abe1 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -1114,20 +1114,18 @@ 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);