net: decnet: dn_nsp_out: use swap macro in dn_mk_ack_header

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 15:39:48 -05:00 committed by David S. Miller
parent 68ad08c4f8
commit 3a7943ba5b

View File

@ -313,11 +313,8 @@ static __le16 *dn_mk_ack_header(struct sock *sk, struct sk_buff *skb, unsigned c
ackcrs |= 0x8000;
/* If this is an "other data/ack" message, swap acknum and ackcrs */
if (other) {
unsigned short tmp = acknum;
acknum = ackcrs;
ackcrs = tmp;
}
if (other)
swap(acknum, ackcrs);
/* Set "cross subchannel" bit in ackcrs */
ackcrs |= 0x2000;