ABACI reported the following bug by code static scanning: sound/pci/cs5535audio/cs5535audio_pcm.c:113:12: warning: variable 'desc_addr' set but not used. 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-20221101 commit: e9d267f752f8ff62f0111cea90e3ced4fc595b4f