[linux-next:master] BUILD REGRESSION a54df7622717a40ddec95fd98086aff8ba7839a6

[Andrew Morton]

On Wed, 25 Jan 2023 00:37:05 +0800 kernel test robot <lkp at intel.com> wrote:

> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> branch HEAD: a54df7622717a40ddec95fd98086aff8ba7839a6  Add linux-next specific files for 20230124
> 
> Error/Warning: (recently discovered and may have been fixed)
> 
> ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined!
> ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/idma64.ko] undefined!
> drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_training.c:1585:38: warning: variable 'result' set but not used [-Wunused-but-set-variable]
> 
> Unverified Error/Warning (likely false positive, please contact us if interested):
> 
> ...
>
> mm/hugetlb.c:3100 alloc_hugetlb_folio() error: uninitialized symbol 'h_cg'.

	hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), h_cg, folio);

The warning looks to be bogus.  I guess we could put a "= NULL" in
there to keep the compiler quiet?