[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/atm/nicstar.c b/drivers/atm/nicstar.c
index 26f4b70..14ced85 100644
--- a/drivers/atm/nicstar.c
+++ b/drivers/atm/nicstar.c
@@ -2395,7 +2395,7 @@
skb->destructor = ns_lb_destructor;
#endif /* NS_USE_DESTRUCTORS */
skb_push(skb, NS_SMBUFSIZE);
- memcpy(skb->data, sb->data, NS_SMBUFSIZE);
+ skb_copy_from_linear_data(sb, skb->data, NS_SMBUFSIZE);
skb_put(skb, len - NS_SMBUFSIZE);
ATM_SKB(skb)->vcc = vcc;
__net_timestamp(skb);
@@ -2479,7 +2479,7 @@
{
/* Copy the small buffer to the huge buffer */
sb = (struct sk_buff *) iov->iov_base;
- memcpy(hb->data, sb->data, iov->iov_len);
+ skb_copy_from_linear_data(sb, hb->data, iov->iov_len);
skb_put(hb, iov->iov_len);
remaining = len - iov->iov_len;
iov++;
@@ -2491,7 +2491,7 @@
{
lb = (struct sk_buff *) iov->iov_base;
tocopy = min_t(int, remaining, iov->iov_len);
- memcpy(skb_tail_pointer(hb), lb->data, tocopy);
+ skb_copy_from_linear_data(lb, skb_tail_pointer(hb), tocopy);
skb_put(hb, tocopy);
iov++;
remaining -= tocopy;