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

From: Michael Ellerman
Date: Wed Mar 14 2018 - 05:28:40 EST


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 â??check_cpu_feature_propertiesâ??:
> 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 <mpe@xxxxxxxxxxxxxx>
> Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>

Applied to powerpc next, thanks.

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

cheers