Re: [PATCH] thermal: intel: hfi: Remove a pointless die_id check
From: Rafael J. Wysocki
Date: Fri Dec 02 2022 - 14:49:11 EST
On Mon, Nov 28, 2022 at 5:12 PM Ricardo Neri
<ricardo.neri-calderon@xxxxxxxxxxxxxxx> wrote:
>
> die_id is an u16 quantity. On single-die systems the default value of
> die_id is 0. No need to check for negative values.
>
> Plus, removing this check makes Coverity happy.
>
> Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> Cc: Amit Kucheria <amitk@xxxxxxxxxx>
> Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
> Cc: Len Brown <len.brown@xxxxxxxxx>
> Cc: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> Cc: Aubrey Li <aubrey.li@xxxxxxxxxxxxxxx>
> Cc: Haowen Bai <baihaowen@xxxxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Ricardo Neri <ricardo.neri-calderon@xxxxxxxxxxxxxxx>
> ---
> drivers/thermal/intel/intel_hfi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/intel/intel_hfi.c b/drivers/thermal/intel/intel_hfi.c
> index 239afe02e518..d35287eb2f78 100644
> --- a/drivers/thermal/intel/intel_hfi.c
> +++ b/drivers/thermal/intel/intel_hfi.c
> @@ -371,7 +371,7 @@ void intel_hfi_online(unsigned int cpu)
> die_id = topology_logical_die_id(cpu);
> hfi_instance = info->hfi_instance;
> if (!hfi_instance) {
> - if (die_id < 0 || die_id >= max_hfi_instances)
> + if (die_id >= max_hfi_instances)
> return;
>
> hfi_instance = &hfi_instances[die_id];
> --
Applied as 6.2 material, thanks!