[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>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index ee3ea4fa729f..ac2d6dd9dbe4 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -638,7 +638,9 @@ static void yam_tx_byte(struct net_device *dev, struct yam_port *yp)
                                 dev_kfree_skb_any(skb);
                                 break;
                         }
-                        memcpy(yp->tx_buf, skb->data + 1, yp->tx_len);
+                        skb_copy_from_linear_data_offset(skb->data, 1,
+                                                         yp->tx_buf,
+                                                         yp->tx_len);
                         dev_kfree_skb_any(skb);
                         yp->tx_count = 0;
                         yp->tx_crcl = 0x21;