[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/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 6ef375a095f4..0ac240ca905b 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -441,7 +441,7 @@ static int irda_usb_hard_xmit(struct sk_buff *skb, struct net_device *netdev)
                 goto drop;
         }
 
-        memcpy(self->tx_buff + self->header_length, skb->data, skb->len);
+        skb_copy_from_linear_data(skb, self->tx_buff + self->header_length, skb->len);
 
         /* Change setting for next frame */
         if (self->capability & IUC_STIR421X) {
@@ -902,7 +902,7 @@ static void irda_usb_receive(struct urb *urb)
 
         if(docopy) {
                 /* Copy packet, so we can recycle the original */
-                memcpy(newskb->data, skb->data, urb->actual_length);
+                skb_copy_from_linear_data(skb, newskb->data, urb->actual_length);
                 /* Deliver this new skb */
                 dataskb = newskb;
                 /* And hook the old skb to the URB