[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>
diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c
index 3ff1f4b..4b0037e 100644
--- a/drivers/net/irda/mcs7780.c
+++ b/drivers/net/irda/mcs7780.c
@@ -353,7 +353,7 @@
buf[0] = len & 0xff;
buf[1] = (len >> 8) & 0xff;
/* copy the data into the tx buffer. */
- memcpy(buf+2, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, buf + 2, skb->len);
/* put the fcs in the last four bytes in little endian order. */
buf[len - 4] = fcs & 0xff;
buf[len - 3] = (fcs >> 8) & 0xff;
@@ -377,7 +377,7 @@
buf[0] = len & 0xff;
buf[1] = (len >> 8) & 0xff;
/* copy the data */
- memcpy(buf+2, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, buf + 2, skb->len);
/* put the fcs in last two bytes in little endian order. */
buf[len - 2] = fcs & 0xff;
buf[len - 1] = (fcs >> 8) & 0xff;