Re: [PATCH] GMAC: fix simple_return.cocci warnings

From: David Miller
Date: Sun Jan 04 2015 - 22:20:30 EST


From: Joe Perches <joe@xxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
>> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
>> ---
>>
>> 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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