netdev - Re: [PATCH] net: wan: Use dma_pool

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Message-ID: <CAFqt6zaHJ_YP-inLm8_XRDrX8FtcU86NqYG=+DRn9-Y3zR4cyg@mail.gmail.com>
Date:   Thu, 15 Dec 2016 10:41:30 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     Krzysztof Hałasa <khalasa@...p.pl>,
        netdev@...r.kernel.org
Cc:     Rameshwar Sahu <sahu.rameshwar73@...il.com>
Subject: Re: [PATCH] net: wan: Use dma_pool_zalloc

On Mon, Dec 12, 2016 at 10:12 AM, Souptick Joarder <jrdr.linux@...il.com> wrote:
> On Fri, Dec 9, 2016 at 6:33 PM, Krzysztof Hałasa <khalasa@...p.pl> wrote:
>> Souptick Joarder <jrdr.linux@...il.com> writes:
>>
>>> We should use dma_pool_zalloc instead of dma_pool_alloc/memset
>>>
>>> Signed-off-by: Souptick joarder <jrdr.linux@...il.com>
>>> ---
>>>  drivers/net/wan/ixp4xx_hss.c | 5 ++---
>>>  1 file changed, 2 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
>>> index e7bbdb7..aaabf31 100644
>>> --- a/drivers/net/wan/ixp4xx_hss.c
>>> +++ b/drivers/net/wan/ixp4xx_hss.c
>>> @@ -976,10 +976,9 @@ static int init_hdlc_queues(struct port *port)
>>>                       return -ENOMEM;
>>>       }
>>>
>>> -     if (!(port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL,
>>> -                                           &port->desc_tab_phys)))
>>> +     if (!(port->desc_tab = dma_pool_zalloc(dma_pool, GFP_KERNEL,
>>> +                                            &port->desc_tab_phys)))
>>>               return -ENOMEM;
>>> -     memset(port->desc_tab, 0, POOL_ALLOC_SIZE);
>>>       memset(port->rx_buff_tab, 0, sizeof(port->rx_buff_tab)); /* tables */
>>>       memset(port->tx_buff_tab, 0, sizeof(port->tx_buff_tab));
>>
>> This look fine, feel free to send it to the netdev mailing list for
>> inclusion.
>
> Including netdev mailing list based as requested.
>
>>
>> Acked-by: Krzysztof Halasa <khalasa@...p.pl>
>> --
>> Krzysztof Halasa
>>
>> Industrial Research Institute for Automation and Measurements PIAP
>> Al. Jerozolimskie 202, 02-486 Warsaw, Poland

Any comment on this patch ?