[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

To clearly state the intent of copying from 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@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 40d2639eedcb..7b80fb7a9d9b 100755
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -1927,7 +1927,8 @@ static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
                  * Copy the ethhdr from first buffer to second. This
                  * is necessary for 3022 IP completions.
                  */
-                memcpy(skb_push(skb2, size), skb1->data + VLAN_ID_LEN, size);
+                skb_copy_from_linear_data_offset(skb1, VLAN_ID_LEN,
+                                                 skb_push(skb2, size), size);
         } else {
                 u16 checksum = le16_to_cpu(ib_ip_rsp_ptr->checksum);
                 if (checksum &