linux-kernel - Re: [PATCH 4/5] staging: sm750fb: Remove unnecessary else after return

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Date:   Tue, 28 Feb 2017 01:52:38 +0530
From:   SIMRAN SINGHAL <singhalsimran0@...il.com>
To:     Joe Perches <joe@...ches.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        lustre-devel@...ts.lustre.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org,
        outreachy-kernel@...glegroups.com
Subject: Re: [PATCH 4/5] staging: sm750fb: Remove unnecessary else after return

On Tue, Feb 28, 2017 at 1:01 AM, Joe Perches <joe@...ches.com> wrote:
> On Mon, 2017-02-27 at 23:44 +0530, simran singhal wrote:
>> This patch fixes the checkpatch warning that else is not generally
>> useful after a break or return.
> []
>> diff --git a/drivers/staging/sm750fb/ddk750_swi2c.c b/drivers/staging/sm750fb/ddk750_swi2c.c
> []
>> @@ -295,8 +294,7 @@ static long sw_i2c_write_byte(unsigned char data)
>>
>>       if (i < 0xff)
>>               return 0;
>> -     else
>> -             return -1;
>> +     return -1;
>
> Assuming -1 is some sort of error,
> it'd be a more common style to use
>
>         if (i >= 0xff)
>                 return -1;
>
>         return 0;
>
> Looking at the code, it might make
> sense to use something like:
>
>         /* SDA still != 0 */
>         if (i >= 0xff)
>                 return -1;
>
>         return 0;
> }
I will send v2.