net: decnet: dn_nsp_in: use swap macro in dn_nsp_rx_packet

Make use of the swap macro and remove unnecessary variable tmp.
This makes the code easier to read and maintain.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva 2017-10-28 14:38:45 -05:00 committed by David S. Miller
parent e8992e4082
commit 68ad08c4f8

View File

@ -776,12 +776,8 @@ static int dn_nsp_rx_packet(struct net *net, struct sock *sk2,
* Swap src & dst and look up in the normal way.
*/
if (unlikely(cb->rt_flags & DN_RT_F_RTS)) {
__le16 tmp = cb->dst_port;
cb->dst_port = cb->src_port;
cb->src_port = tmp;
tmp = cb->dst;
cb->dst = cb->src;
cb->src = tmp;
swap(cb->dst_port, cb->src_port);
swap(cb->dst, cb->src);
}
/*