Hi Dan,
On Wed, Aug 11, 2021 at 04:06:00PM +0800, Dan Carpenter wrote:
> [ I do a git show 2db9f815409f and it doesn't show that hugetlb.c was
> modified but it the git log the merge commit is listed. I don't
> know git well enough to explain it. But I think this was a merge
> issue. - dan ]
>
> Hello Stephen Rothwell,
>
> The patch 2db9f815409f: "Merge branch 'akpm-current/current'" from
> Aug 10, 2021, leads to the following
> Smatch static checker warning:
>
> mm/hugetlb.c:2172 alloc_buddy_huge_page_with_mpol()
> error: uninitialized symbol 'page'.
>
> mm/hugetlb.c
> 2151 static
> 2152 struct page *alloc_buddy_huge_page_with_mpol(struct hstate *h,
> 2153 struct vm_area_struct *vma, unsigned long addr)
> 2154 {
> 2155 struct page *page;
>
> This should be "struct page *page = NULL;"
Thanks for the report! This was also reported by Nathan Chancellor,
who gave a quick fix: https://lore.kernel.org/lkml/20210810200632.3812797-1-nathan@xxxxxxxxxx/
and Andrew has taken it to the -mm tree.
Sorry for the inconvenience.
- Feng
