Re: [PATCH] acpi: blacklist: fix clang warning for unused dmi table

From: Nathan Chancellor
Date: Wed Jul 10 2019 - 13:10:00 EST


On Wed, Jul 10, 2019 at 03:05:43PM +0200, Arnd Bergmann wrote:
> When CONFIG_DMI is disabled, we only have a tentative declaration,
> which causes a warning from clang:
>
> drivers/acpi/blacklist.c:20:35: error: tentative array definition assumed to have one element [-Werror]
> static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;
>
> As the variable is not actually used here, hide it entirely
> in an #ifdef to shut up the warning.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>