Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1270013
| From | Thiago Farina <tfransosi@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] lightnvm: change max_phys_sect to ushort |
| Date | 2015-11-16 12:20 +0100 |
| Message-ID | <qvpZf-6BR-7@gated-at.bofh.it> (permalink) |
| References | <qu4WT-42L-41@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Nov 12, 2015 at 4:35 PM, Matias Bjørling <m@bjorling.me> 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@bjorling.me>
> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH] lightnvm: change max_phys_sect to ushort Matias Bjørling <m@bjorling.me> - 2015-11-12 19:40 +0100
Re: [PATCH] lightnvm: change max_phys_sect to ushort Geert Uytterhoeven <geert@linux-m68k.org> - 2015-11-12 19:50 +0100
Re: [PATCH] lightnvm: change max_phys_sect to ushort Matias Bjørling <m@bjorling.me> - 2015-11-12 20:00 +0100
Re: [PATCH] lightnvm: change max_phys_sect to ushort Matias Bjørling <m@bjorling.me> - 2015-11-12 20:10 +0100
Re: [PATCH] lightnvm: change max_phys_sect to ushort Linus Torvalds <torvalds@linux-foundation.org> - 2015-11-12 20:10 +0100
Re: [PATCH] lightnvm: change max_phys_sect to ushort Thiago Farina <tfransosi@gmail.com> - 2015-11-16 12:20 +0100
Re: [PATCH] lightnvm: change max_phys_sect to ushort Matias Bjørling <m@bjorling.me> - 2015-11-16 12:30 +0100
csiph-web