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Groups > linux.kernel > #1270027
| From | Matias Bjørling <m@bjorling.me> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] lightnvm: change max_phys_sect to ushort |
| Date | 2015-11-16 12:30 +0100 |
| Message-ID | <qvq8W-6FI-21@gated-at.bofh.it> (permalink) |
| References | <qu4WT-42L-41@gated-at.bofh.it> <qvpZf-6BR-7@gated-at.bofh.it> |
| Organization | Paletta |
On 11/16/2015 12:18 PM, Thiago Farina wrote:
> 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?
You're right. It has been fixed.
>
>> 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 {
>
>
--
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[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
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