./net/bluetooth/hci_conn.c:1880:7-14: WARNING opportunity for kmemdup 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-20230621 commit: 15e71592dbae49a674429c618a10401d7f992ac3