Re: [PATCH] media: av7110: av7110_av: Fix Switch and Case Same Indent Style Error

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On 3/8/22 13:50, Ahamed Husni wrote:
> Hello Hans,
> 
> On Mon, Mar 7, 2022 at 12:58 PM Hans Verkuil <hverkuil@xxxxxxxxx> wrote:
>>
>> Hi Husni,
>>
>> Thank you for the patch.
>>
>> The Subject line needs some work: either name the source ('av7110_av.c:') or
>> driver ('av7110:'), but not both. Also just stick to lower case, so:
>> "media: av7110_av.c: fix switch indentation"
>>
>> That gives all the relevant information, and is a lot shorter.
> Noted with thanks. I'll update the subject line in the V2 of the patch.
> 
>>
>> On 2/25/22 16:56, Husni Faiz wrote:
>>> This patch fixes "switch and case should be at the same indent"
>>> checkpatch error.
>>>
>>> Signed-off-by: Husni Faiz <ahamedhusni73@xxxxxxxxx>
>>> ---
>>>  drivers/staging/media/av7110/av7110_av.c | 30 ++++++++++++------------
>>>  1 file changed, 15 insertions(+), 15 deletions(-)
>>>
>>> diff --git a/drivers/staging/media/av7110/av7110_av.c b/drivers/staging/media/av7110/av7110_av.c
>>> index 91f4866c7e59..1d42862e9669 100644
>>> --- a/drivers/staging/media/av7110/av7110_av.c
>>> +++ b/drivers/staging/media/av7110/av7110_av.c
>>> @@ -770,22 +770,22 @@ static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter,
>>>       if (length > 3 &&
>>>            buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
>>>               switch (buf[3]) {
>>> -                     case PROG_STREAM_MAP:
>>> -                     case PRIVATE_STREAM2:
>>> -                     case PROG_STREAM_DIR:
>>> -                     case ECM_STREAM     :
>>> -                     case EMM_STREAM     :
>>> -                     case PADDING_STREAM :
>>> -                     case DSM_CC_STREAM  :
>>> -                     case ISO13522_STREAM:
>>> -                     case PRIVATE_STREAM1:
>>> -                     case AUDIO_STREAM_S ... AUDIO_STREAM_E:
>>> -                     case VIDEO_STREAM_S ... VIDEO_STREAM_E:
>>> -                             pes_start = 1;
>>> -                             break;
>>> +             case PROG_STREAM_MAP:
>>> +             case PRIVATE_STREAM2:
>>> +             case PROG_STREAM_DIR:
>>> +             case ECM_STREAM     :
>>> +             case EMM_STREAM     :
>>> +             case PADDING_STREAM :
>>> +             case DSM_CC_STREAM  :
>>> +             case ISO13522_STREAM:
>>> +             case PRIVATE_STREAM1:
>>> +             case AUDIO_STREAM_S ... AUDIO_STREAM_E:
>>> +             case VIDEO_STREAM_S ... VIDEO_STREAM_E:
>>> +                     pes_start = 1;
>>> +                     break;
>>>
>>> -                     default:
>>> -                             break;
>>> +             default:
>>> +                     break;
>>>               }
>>>
>>>       while (c < length) {
>>
>> Running checkpatch.pl over this patch give me:
>>
>> ERROR: space prohibited before that ':' (ctx:WxE)
>> #40: FILE: drivers/staging/media/av7110/av7110_av.c:776:
>> +               case ECM_STREAM     :
>>                                     ^
>>
>> ERROR: space prohibited before that ':' (ctx:WxE)
>> #41: FILE: drivers/staging/media/av7110/av7110_av.c:777:
>> +               case EMM_STREAM     :
>>                                     ^
>>
>> ERROR: space prohibited before that ':' (ctx:WxE)
>> #42: FILE: drivers/staging/media/av7110/av7110_av.c:778:
>> +               case PADDING_STREAM :
>>                                     ^
>>
>> ERROR: space prohibited before that ':' (ctx:WxE)
>> #43: FILE: drivers/staging/media/av7110/av7110_av.c:779:
>> +               case DSM_CC_STREAM  :
>>                                     ^
>> Can you fix that as well in a v2 of this patch?
> It seems that these spaces are deliberately added by the author to
> keep the case statements' colons aligned.
> Some other lines in the file where the same approach has been taken
> are [line 598,599,600,601] and [line 662, 663, 664, 665].
> Should we leave these spaces as it is?

Either just fix it here, or post a second patch that removes the spaces
throughout this driver. It's a very old driver, predating the much more
strict enforcement of coding style that we have today.

Regards,

	Hans

> 
> Thanks,
> Husni.




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