[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>
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 20b5cb1..6df673a 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -94,7 +94,8 @@
skb_set_mac_header(nskb, -ETH_HLEN);
skb_reset_network_header(nskb);
iph = ip_hdr(nskb);
- memcpy(nskb->data, skb_network_header(skb), doffset);
+ skb_copy_to_linear_data(nskb, skb_network_header(skb),
+ doffset);
if (skb_copy_bits(skb,
doffset + offset,
nskb->data + doffset,