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ipv6: exthdrs: Replace opencoded swap() implementation

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Get a coccinelle warning as follows:
net/ipv6/exthdrs.c:800:29-30: WARNING opportunity for swap()

Use swap() to replace opencoded implementation.

Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20230807020947.1991716-1-william.xuanziyang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ziyang Xuan 2023-08-07 10:09:47 +08:00 committed by Jakub Kicinski
parent c67180efc5
commit 794529c448
1 changed files with 1 additions and 4 deletions
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5
net/ipv6/exthdrs.c
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@ -648,7 +648,6 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
struct inet6_dev *idev = __in6_dev_get(skb->dev);
struct inet6_skb_parm *opt = IP6CB(skb);
struct in6_addr *addr = NULL;
struct in6_addr daddr;
int n, i;
struct ipv6_rt_hdr *hdr;
struct rt0_hdr *rthdr;
@ -796,9 +795,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
return -1;
}
daddr = *addr;
*addr = ipv6_hdr(skb)->daddr;
ipv6_hdr(skb)->daddr = daddr;
swap(*addr, ipv6_hdr(skb)->daddr);
ip6_route_input(skb);
if (skb_dst(skb)->error) {