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>
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;
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) {