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net: decnet: dn_nsp_in: use swap macro in dn_nsp_rx_packet

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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
1 changed files with 2 additions and 6 deletions
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8
net/decnet/dn_nsp_in.c
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@ -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);
}
/*