Re: [PATCH linux-next] lib: Dhrystone: initialize ret value

From: Nathan Chancellor
Date: Sat Dec 24 2022 - 00:58:45 EST


On Sat, Dec 24, 2022 at 01:06:40PM +0800, Zhouyi Zhou wrote:
> Initialize ret value whenever 'if' condition is false in dhry_run_set.
>
> Signed-off-by: Zhouyi Zhou <zhouzhouyi@xxxxxxxxx>
> ---
> Dear Developers:
> When I invoke make bzImage LLVM=1, clang complains followings:
> lib/dhry_run.c:61:6: error: variable 'ret' is used uninitialized whenever 'if' condition is false
>
> Fix above complain by initialize the ret value.
>
> Thanks
> Zhouyi

Thank you for the patch! I think this has already been fixed:

https://lore.kernel.org/20221219221045.0ABAEC433D2@xxxxxxxxxxxxxxx/

-next is on a break so it won't be there for a bit:

https://lore.kernel.org/20221220112148.64f183ce@xxxxxxxxxxxxxxxx/

Cheers,
Nathan

> --
> lib/dhry_run.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/lib/dhry_run.c b/lib/dhry_run.c
> index 31a1d442e4a0..be86e5126c29 100644
> --- a/lib/dhry_run.c
> +++ b/lib/dhry_run.c
> @@ -64,6 +64,7 @@ static int dhry_run_set(const char *val, const struct kernel_param *kp)
> return ret;
> } else {
> dhry_run = true;
> + ret = 0;
> }
>
> if (dhry_run && system_state == SYSTEM_RUNNING)
> --
> 2.34.1
>