drivers/cpufreq/acpi-cpufreq.c:960:9: note: initialize the variable 'ret' to silence this warning 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-20221108 commit: b6fc3fddade7a194bd141a49f2689e50f796ef46