Re: [PATCH] scsi: qla4xxx: Use dma_pool_zalloc

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On 12/12/16, 10:16 AM, "linux-scsi-owner@xxxxxxxxxxxxxxx on behalf of
Souptick Joarder" <linux-scsi-owner@xxxxxxxxxxxxxxx on behalf of
jrdr.linux@xxxxxxxxx> wrote:

>On Wed, Dec 7, 2016 at 1:53 AM, Souptick Joarder <jrdr.linux@xxxxxxxxx>
>wrote:
>> We should use dma_pool_zalloc instead of dma_pool_alloc/memset
>>
>> Signed-off-by: Souptick joarder <jrdr.linux@xxxxxxxxx>
>> ---
>>  drivers/scsi/qla4xxx/ql4_mbx.c | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c
>>b/drivers/scsi/qla4xxx/ql4_mbx.c
>> index c291fdf..f2edfd7 100644
>> --- a/drivers/scsi/qla4xxx/ql4_mbx.c
>> +++ b/drivers/scsi/qla4xxx/ql4_mbx.c
>> @@ -1587,12 +1587,11 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha,
>>char *username, char *password,
>>         struct ql4_chap_table *chap_table;
>>         dma_addr_t chap_dma;
>>
>> -       chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL,
>>&chap_dma);
>> +       chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL,
>>&chap_dma);
>>         if (chap_table == NULL)
>>                 return -ENOMEM;
>>
>>         chap_size = sizeof(struct ql4_chap_table);
>> -       memset(chap_table, 0, chap_size);
>>
>>         if (is_qla40XX(ha))
>>                 offset = FLASH_CHAP_OFFSET | (idx * chap_size);
>> --
>> 1.9.1
>>
>
>Any comment on this patch?

There are multiple other places where dma_pool_alloc needs to be replaced
by dma_pool_zalloc.

Can you please take care within a single patch.

Thanks,
Nilesh

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