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ipv6: exthdrs: use swap macro in ipv6_dest_hao

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make use of the swap macro and remove unnecessary variable tmp_addr.
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 2017-10-26 23:10:35 -05:00 committed by David S. Miller
parent a830405ee4
commit 74b6551b9f
1 changed files with 1 additions and 4 deletions
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5
net/ipv6/exthdrs.c
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@ -187,7 +187,6 @@ static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)
struct ipv6_destopt_hao *hao;
struct inet6_skb_parm *opt = IP6CB(skb);
struct ipv6hdr *ipv6h = ipv6_hdr(skb);
struct in6_addr tmp_addr;
int ret;
if (opt->dsthao) {
@ -229,9 +228,7 @@ static bool ipv6_dest_hao(struct sk_buff *skb, int optoff)
if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->ip_summed = CHECKSUM_NONE;
tmp_addr = ipv6h->saddr;
ipv6h->saddr = hao->addr;
hao->addr = tmp_addr;
swap(ipv6h->saddr, hao->addr);
if (skb->tstamp == 0)
__net_timestamp(skb);