./net/can/raw.c:497:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed. 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-20230824 commit: 2b3bd393093b04d4882152398019cbb96b0440ff