[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>

2 files changed, 3 insertions, 2 deletions

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index b55bc8f989df..3279897a01b0 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -256,7 +256,7 @@ static struct sk_buff *irttp_reassemble_skb(struct tsap_cb *self)
          *  Copy all fragments to a new buffer
          */
         while ((frag = skb_dequeue(&self->rx_fragments)) != NULL) {
-                memcpy(skb->data+n, frag->data, frag->len);
+                skb_copy_to_linear_data_offset(skb, n, frag->data, frag->len);
                 n += frag->len;
 
                 dev_kfree_skb(frag);
diff --git a/net/irda/wrapper.c b/net/irda/wrapper.c
index 2acc66dfb558..a7a7f191f1a8 100644
--- a/net/irda/wrapper.c
+++ b/net/irda/wrapper.c
@@ -239,7 +239,8 @@ async_bump(struct net_device *dev,
 
         if(docopy) {
                 /* Copy data without CRC (lenght already checked) */
-                memcpy(newskb->data, rx_buff->data, rx_buff->len - 2);
+                skb_copy_to_linear_data(newskb, rx_buff->data,
+                                        rx_buff->len - 2);
                 /* Deliver this skb */
                 dataskb = newskb;
         } else {