[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, 2 insertions, 1 deletions

diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 053fa26ff90a..5dc7448925db 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1160,7 +1160,8 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
 
         if (sax != NULL) {
                 sax->sax25_family = AF_NETROM;
-                memcpy(sax->sax25_call.ax25_call, skb->data + 7, AX25_ADDR_LEN);
+                skb_copy_from_linear_data_offset(skb, 7, sax->sax25_call.ax25_call,
+                              AX25_ADDR_LEN);
         }
 
         msg->msg_namelen = sizeof(*sax);