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Message-ID: <20230807020947.1991716-1-william.xuanziyang@huawei.com> Date: Mon, 7 Aug 2023 10:09:47 +0800 From: Ziyang Xuan <william.xuanziyang@...wei.com> To: <davem@...emloft.net>, <dsahern@...nel.org>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <netdev@...r.kernel.org> CC: <adobriyan@...il.com> Subject: [PATCH net-next] 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 <william.xuanziyang@...wei.com> --- 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 @@ 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) { -- 2.25.1
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