From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net 1/7] i40e: remove open-coded skb_cow_head Date: Fri, 18 Apr 2014 18:59:21 -0700 Message-ID: <1397872767-4001-2-git-send-email-jeffrey.t.kirsher@intel.com> References: <1397872767-4001-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Francois Romieu , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Jesse Brandeburg , Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga03.intel.com ([143.182.124.21]:56433 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753797AbaDSB7b (ORCPT ); Fri, 18 Apr 2014 21:59:31 -0400 In-Reply-To: <1397872767-4001-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Francois Romieu Signed-off-by: Francois Romieu Cc: Jesse Brandeburg Tested-by: Kavindya Deegala Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_txrx.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 0f5d96a..1fdc8e9 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1713,9 +1713,11 @@ static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, I40E_TX_FLAGS_VLAN_PRIO_SHIFT; if (tx_flags & I40E_TX_FLAGS_SW_VLAN) { struct vlan_ethhdr *vhdr; - if (skb_header_cloned(skb) && - pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) - return -ENOMEM; + int rc; + + rc = skb_cow_head(skb, 0); + if (rc < 0) + return rc; vhdr = (struct vlan_ethhdr *)skb->data; vhdr->h_vlan_TCI = htons(tx_flags >> I40E_TX_FLAGS_VLAN_SHIFT); @@ -1743,20 +1745,18 @@ 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); -- 1.9.0