Subject: Re: [v2,01/21] powerpc: Remove warning on array size when empty

From: Michael Ellerman <[email-masked]>
Date: Wed, 14 Mar 2018 20:28:24 +1100 (AEDT)

On Fri, 2018-03-02 at 19:49:18 UTC, Mathieu Malaterre wrote:
> When neither CONFIG_ALTIVEC, nor CONFIG_VSX or CONFIG_PPC64 is defined, the
> array feature_properties is defined as an empty array, which in turn
> triggers the following warning (treated as error on W=1):
> 
>   CC      arch/powerpc/kernel/prom.o
> arch/powerpc/kernel/prom.c: In function ‘check_cpu_feature_properties’:
> arch/powerpc/kernel/prom.c:298:16: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits]
>   for (i = 0; i < ARRAY_SIZE(feature_properties); ++i, ++fp) {
>                 ^
> cc1: all warnings being treated as errors
> 
> Suggested-by: Michael Ellerman <[email-masked]>
> Signed-off-by: Mathieu Malaterre <[email-masked]>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/4f1f40f7b2b4487f582ecafec64076

cheers