./sound/soc/codecs/cs35l56.c:333:5-7: WARNING: Unsigned expression compared with zero: rv < 0 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-20230323 commit: 7c4a254d78f89546d0e74a40617ef24c6151c8d1
submitted to upstream: https://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ab76c891a687ae871f7e76dbf9bc3a0e32b53423