Re: [PATCH] mm/vmalloc: fix a compile warning in mm

[Uladzislau Rezki]

Hello, Hou.

It has already been fixed. Please have a look at:

https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmalloc-avoid-bogus-wmaybe-uninitialized-warning.patch
https://ozlabs.org/~akpm/mmotm/broken-out/mm-vmalloc-avoid-bogus-wmaybe-uninitialized-warning-fix.patch

--
Vlad Rezki

On Mon, Jun 24, 2019 at 7:09 AM Weitao Hou <houweitaoo@xxxxxxxxx> wrote:
>
> mm/vmalloc.c: In function âpcpu_get_vm_areasâ:
> mm/vmalloc.c:976:4: warning: âlvaâ may be used uninitialized in
> this function [-Wmaybe-uninitialized]
> insert_vmap_area_augment(lva, &va->rb_node,
>
> Signed-off-by: Weitao Hou <houweitaoo@xxxxxxxxx>
> ---
>  mm/vmalloc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 4c9e150e5ad3..78c5617fdf3f 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -913,7 +913,7 @@ adjust_va_to_fit_type(struct vmap_area *va,
>         unsigned long nva_start_addr, unsigned long size,
>         enum fit_type type)
>  {
> -       struct vmap_area *lva;
> +       struct vmap_area *lva = NULL;
>
>         if (type == FL_FIT_TYPE) {
>                 /*
> --
> 2.18.0
>


-- 
Uladzislau Rezki