[SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}

To clearly state the intent of copying to linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index e729ced52dc3..dfde80e54aef 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -2017,9 +2017,12 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter)
                             netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
                         if (new_skb) {
                                 skb_reserve(new_skb, NET_IP_ALIGN);
-                                memcpy(new_skb->data - NET_IP_ALIGN,
-                                       skb->data - NET_IP_ALIGN,
-                                       length + NET_IP_ALIGN);
+                                skb_copy_to_linear_data_offset(new_skb,
+                                                               -NET_IP_ALIGN,
+                                                               (skb->data -
+                                                                NET_IP_ALIGN),
+                                                               (length +
+                                                                NET_IP_ALIGN));
                                 /* save the skb in buffer_info as good */
                                 buffer_info->skb = skb;
                                 skb = new_skb;