Re: linux-next: build warnings after merge of the kunit-next tree

From: Vitor Massaru Iha
Date: Thu Oct 15 2020 - 06:44:33 EST


Hi Stephen,

On Thu, Oct 15, 2020 at 2:31 AM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Hi all,
>
> After merging the kunit-next tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
>
> lib/bitfield_kunit.c: In function 'test_bitfields_compile':
> lib/bitfield_kunit.c:136:21: warning: unsigned conversion from 'int' to 'u16' {aka 'short unsigned int'} changes value from '393216' to '0' [-Woverflow]
> 136 | u16_encode_bits(0, 0x60000);
> | ^~~~~~~
> At top level:
> lib/bitfield_kunit.c:129:20: warning: 'test_bitfields_compile' defined but not used [-Wunused-function]
> 129 | static void __init test_bitfields_compile(struct kunit *context)
> | ^~~~~~~~~~~~~~~~~~~~~~
>
> Introduced by commit
>
> d2585f5164c2 ("lib: kunit: add bitfield test conversion to KUnit")

I saw the problem, I will send the patch.

Thanks!