[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, 2 deletions

diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c
index 1fe013a7297a..935b144d9b56 100644
--- a/drivers/net/wireless/zd1201.c
+++ b/drivers/net/wireless/zd1201.c
@@ -807,10 +807,10 @@ static int zd1201_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
         txbuf[4] = 0x00;
         txbuf[5] = 0x00;
 
-        memcpy(txbuf+6, skb->data+12, skb->len-12);
+        skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12);
         if (pad)
                 txbuf[skb->len-12+6]=0;
-        memcpy(txbuf+skb->len-12+6+pad, skb->data, 12);
+        skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12);
         *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6);
         txbuf[txbuflen-1] = 0;