Re: linux-next: build failure after merge of the bitmap tree

[Kuan-Wei Chiu]

On Wed, May 08, 2024 at 04:27:55PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the bitmap tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> lib/test_bitops.c: In function 'test_fns':
> lib/test_bitops.c:56:9: error: cleanup argument not a function
>    56 |         unsigned long *buf __free(kfree) = NULL;
>       |         ^~~~~~~~
> lib/test_bitops.c:60:15: error: implicit declaration of function 'kmalloc_array' [-Werror=implicit-function-declaration]
>    60 |         buf = kmalloc_array(10000, sizeof(unsigned long), GFP_KERNEL);
>       |               ^~~~~~~~~~~~~
> lib/test_bitops.c:60:13: error: assignment to 'long unsigned int *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion]
>    60 |         buf = kmalloc_array(10000, sizeof(unsigned long), GFP_KERNEL);
>       |             ^
> cc1: all warnings being treated as errors
> 
> Caused by commit
> 
>   777c893e12fa ("lib/test_bitops: Add benchmark test for fns()")
>
> I have used the bitmap tree from next-20240507 for today.
> 
> -- 
> Cheers,
> Stephen Rothwell

Hi Yury,

I believe the following patch can resolve this issue. If you agree that
this patch is correct, could you help me fold it into the commit that
caused the error mentioned above?

Regards,
Kuan-Wei