./net/ipv6/icmp.c:344:25-26: WARNING opportunity for swap(). In the following kernel version: name: linux-next url: http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git branch: next-20230127 commit: e2f86c02fdc96ca29ced53221a3cbf50aa6f8b49
submmited to upstream: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=bc61761394ce0f0cc35c6fc60426f08d83d0d488