netdev - Re: [PATCH net-next 5/6] ethernet: renesas: remove unnecessary check

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Date:	Wed, 22 Oct 2014 17:52:28 +0530
From:	Varka Bhadram <varkabhadram@...il.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	netdev@...r.kernel.org
CC:	Varka Bhadram <varkab@...c.in>
Subject: Re: [PATCH net-next 5/6] ethernet: renesas: remove unnecessary check

On 10/22/2014 05:17 PM, Sergei Shtylyov wrote:
> On 10/22/2014 8:16 AM, Varka Bhadram wrote:
>
>> devm_ioremap_resource checks platform_get_resource() return value.
>> We can remove the duplicate check here.
>
>> Signed-off-by: Varka Bhadram <varkab@...c.in>
>> ---
>>   drivers/net/ethernet/renesas/sh_eth.c |    4 ----
>>   1 file changed, 4 deletions(-)
>
>> diff --git a/drivers/net/ethernet/renesas/sh_eth.c 
>> b/drivers/net/ethernet/renesas/sh_eth.c
>> index 60e9c2c..d824ba5 100644
>> --- a/drivers/net/ethernet/renesas/sh_eth.c
>> +++ b/drivers/net/ethernet/renesas/sh_eth.c
>> @@ -2769,10 +2769,6 @@ static int sh_eth_drv_probe(struct 
>> platform_device *pdev)
>>
>>       /* get base addr */
>>       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> -    if (unlikely(res == NULL)) {
>> -        dev_err(&pdev->dev, "invalid resource\n");
>> -        return -EINVAL;
>> -    }
>
>    The driver dereferences 'res' further on, so you can't remove this 
> check.
>
Yes its my mistake . I will fix it . Thankx

> WBR, Sergei
>
-- 
Regards,
Varka Bhadram.

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