ixgbe: remove open-coded skb_cow_head

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 00c9308455b8d7d8244987c044d8b609247511de..c4c526b7f99f48e2fe4eaccfe070273bd4078c98 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -6510,6 +6510,7 @@ static int ixgbe_tso(struct ixgbe_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;
@@ -6517,11 +6518,9 @@ static int ixgbe_tso(struct ixgbe_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 = IXGBE_ADVTXD_TUCMD_L4T_TCP;
@@ -7078,8 +7077,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
                                        IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT;
                if (tx_flags & IXGBE_TX_FLAGS_SW_VLAN) {
                        struct vlan_ethhdr *vhdr;
-                       if (skb_header_cloned(skb) &&
-                           pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+
+                       if (skb_cow_head(skb, 0))
                                goto out_drop;
                        vhdr = (struct vlan_ethhdr *)skb->data;
                        vhdr->h_vlan_TCI = htons(tx_flags >>