Re: [PATCH] lightnvm: change max_phys_sect to ushort

[Thiago Farina]

On Thu, Nov 12, 2015 at 4:35 PM, Matias BjÃrling <m@xxxxxxxxxxx> wrote:
> The max_phys_sect variable is defined as a char. We do a boundary check
> to maximally allow 256 physical page descriptors per command. As we are
> not indexing from zero. This expression is always in false. Bump the
> max_phys_sect to an unsigned short to support the range check.
>
You might have to change the commit message to match the code change.
s/unsigned short/unsigned int. RIght?

> Signed-off-by: Matias BjÃrling <m@xxxxxxxxxxx>
> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> ---
>  include/linux/lightnvm.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
> index 69c9057..4b1cd3d 100644
> --- a/include/linux/lightnvm.h
> +++ b/include/linux/lightnvm.h
> @@ -220,7 +220,7 @@ struct nvm_dev_ops {
>         nvm_dev_dma_alloc_fn    *dev_dma_alloc;
>         nvm_dev_dma_free_fn     *dev_dma_free;
>
> -       uint8_t                 max_phys_sect;
> +       unsigned int max_phys_sect;
>  };
>
>  struct nvm_lun {


-- 
Thiago Farina
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