From 794529c448008d8bc24d6e06c7528b7dbec99dfd Mon Sep 17 00:00:00 2001 From: Ziyang Xuan Date: Mon, 7 Aug 2023 10:09:47 +0800 Subject: [PATCH] ipv6: exthdrs: Replace opencoded swap() implementation 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 Reviewed-by: Pavan Chebbi Reviewed-by: Kuniyuki Iwashima Link: https://lore.kernel.org/r/20230807020947.1991716-1-william.xuanziyang@huawei.com Signed-off-by: Jakub Kicinski --- net/ipv6/exthdrs.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index f4bfccae003c..4952ae792450 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -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 @@ looped_back: 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) {