[PATCH 1/2] ARM: dma-mapping: its array of pointer

Ajeet Yadav ajeet.yadav.77 at gmail.com
Tue Feb 21 22:36:48 EST 2012


thanks, reposted with changes.

Ajeet

On Sat, Feb 18, 2012 at 9:18 PM, Tixy <tixy at yxit.co.uk> wrote:
> On Fri, 2012-02-17 at 18:39 +0530, Ajeet Yadav wrote:
>> To be consistant with declaration and usage of
>        ^^^^^^^^^^
> Spelling mistake, should be 'consistent'
>
>> consistent_pte it need to be an array of (pte *)
>                    ^^^^
> Grammar mistake, should be 'needs'.
>
>>
>> Signed-off-by: Ajeet Yadav <ajeet.yadav.77 at gmail.com>
>
> The title of this patch is a bit vague, perhaps something like:
> "ARM: dma-mapping: Fix the type used for consistent_pte size
> calculation"
>
> The actual patch looks correct.
>
> --
> Tixy
>
>> ---
>>  arch/arm/mm/dma-mapping.c |    2 +-
>>  1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
>> index 1aa664a..04bfa76 100644
>> --- a/arch/arm/mm/dma-mapping.c
>> +++ b/arch/arm/mm/dma-mapping.c
>> @@ -170,7 +170,7 @@ static int __init consistent_init(void)
>>       unsigned long base = consistent_base;
>>       unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT;
>>
>> -     consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL);
>> +     consistent_pte = kmalloc(num_ptes * sizeof(pte_t *), GFP_KERNEL);
>>       if (!consistent_pte) {
>>               pr_err("%s: no memory\n", __func__);
>>               return -ENOMEM;
>
>
>



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