On Thu, Nov 12, 2015 at 4:35 PM, Matias Bjørling <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 Bjørling <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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