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

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Date:   Thu, 15 Oct 2020 12:01:27 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Vitor Massaru Iha <vitor@...saru.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Brendan Higgins <brendanhiggins@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: linux-next: build warnings after merge of the kunit-next tree

On 10/15/20 4:43 AM, Vitor Massaru Iha wrote:
> Hi Stephen,
> 
> On Thu, Oct 15, 2020 at 2:31 AM Stephen Rothwell <sfr@...b.auug.org.au> 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.
> 

Please send the fix in as soon as possible. I will go ahead and send the
pull request and will apply the fix in rc2.

thanks,
-- Shuah