linux-kernel - Re: [PATCH] GMAC: fix simple

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Date:	Tue, 06 Jan 2015 15:13:39 +0800
From:	Roger <roger.chen@...k-chips.com>
To:	David Miller <davem@...emloft.net>, joe@...ches.com
CC:	fengguang.wu@...el.com, kbuild-all@...org, peppe.cavallaro@...com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] GMAC: fix simple_return.cocci warnings

Hi! David

What should I do now?

On 2015/1/5 11:20, David Miller wrote:
> From: Joe Perches <joe@...ches.com>
> Date: Fri, 02 Jan 2015 16:46:45 -0800
>
>> On Sat, 2015-01-03 at 08:25 +0800, kbuild test robot wrote:
>>> drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:425:1-4: WARNING: end returns can be simpified
>>>
>>>   Simplify a trivial if-return sequence.  Possibly combine with a
>>>   preceding function call.
>>> Generated by: scripts/coccinelle/misc/simple_return.cocci
>>>
>>> CC: Roger Chen <roger.chen@...k-chips.com>
>>> Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
>>> ---
>>>
>>>   dwmac-rk.c |    6 +-----
>>>   1 file changed, 1 insertion(+), 5 deletions(-)
>>>
>>> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
>>> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
>>> @@ -422,11 +422,7 @@ static int rk_gmac_init(struct platform_
>>>   	if (ret)
>>>   		return ret;
>>>   
>>> -	ret = gmac_clk_enable(bsp_priv, true);
>>> -	if (ret)
>>> -		return ret;
>>> -
>>> -	return 0;
>>> +	return gmac_clk_enable(bsp_priv, true);
>> I think this change is not particularly better.
>>
>> When the pattern is multiply repeated like:
>   ...
>> I think it's better to not change the last
>> test in the sequence just to minimize overall
>> line count.
> I think it's a wash and that both ways are about the same to me.
>
> I won't apply this, sorry.
>
>
>


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