Hello,
2015-12-12 13:19 GMT-03:00 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>:
> On Fri, 11 Dec 2015, Geyslan G. Bem wrote:
>
>> This patch moves comment into the else branch avoiding the following
>> misleading warning.
>>
>> "braces {} are not necessary for single statement blocks"
>>
>> Caught by checkpatch.
>>
>> Signed-off-by: Geyslan G. Bem <geyslan@xxxxxxxxx>
>> Suggested-by: Joe Perches <joe@xxxxxxxxxxx>
>> ---
>> drivers/usb/host/ehci-sched.c | 7 ++-----
>> 1 file changed, 2 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
>> index f6e828a..b2af0b3 100644
>> --- a/drivers/usb/host/ehci-sched.c
>> +++ b/drivers/usb/host/ehci-sched.c
>> @@ -1560,13 +1560,10 @@ iso_stream_schedule(
>> (stream->ps.bw_period - 1);
>> stream->ps.phase_uf = start & 7;
>> reserve_release_iso_bandwidth(ehci, stream, 1);
>> - }
>> -
>> - /* New stream is already scheduled; use the upcoming slot */
>> - else {
>> + } else {
>> + /* New stream is already scheduled; use the upcoming slot */
>
> Please don't do this. The comment at the start of the "if" part of
> this statement comes before the "if" line, so the commend at the start
> of the "else" part should come before the "else" line.
I see. It's particular comment style.
>
> If you want to silence the warning about unnecessary braces, get rid of
> the braces.
Well, this is a particular case of checkpatch due it think that the if
block has a single statement. But it's not true.
Please see:
[BUG] checkpatch warning default switch case
https://lkml.org/lkml/2015/12/11/836
So removing the braces breaks the coding style.
>
>> start = (stream->ps.phase << 3) + stream->ps.phase_uf;
>> }
>> -
>
> Don't do this.
>
>> stream->next_uframe = start;
>> new_stream = true;
>> }
>
> Alan Stern
>
--
Regards,
Geyslan G. Bem
hackingbits.com
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