[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/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index f5a17ad..b33adc6 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -317,7 +317,9 @@
dev_kfree_skb_irq(skb);
break;
}
- memcpy(s->hdlctx.buffer, skb->data+1, pkt_len);
+ skb_copy_from_linear_data_offset(skb, 1,
+ s->hdlctx.buffer,
+ pkt_len);
dev_kfree_skb_irq(skb);
s->hdlctx.bp = s->hdlctx.buffer;
append_crc_ccitt(s->hdlctx.buffer, pkt_len);