linux-kernel - Re: [PATCH 27/32] staging: gasket: remove else clause after return in if clause

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Date:   Tue, 17 Jul 2018 12:23:44 -0700
From:   Todd Poynor <toddpoynor@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Rob Springer <rspringer@...gle.com>,
        John Joseph <jnjoseph@...gle.com>,
        Ben Chan <benchan@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, Zhongze Hu <frankhu@...omium.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Simon Que <sque@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Todd Poynor <toddpoynor@...gle.com>,
        Dmitry Torokhov <dtor@...omium.org>
Subject: Re: [PATCH 27/32] staging: gasket: remove else clause after return in
 if clause

On Tue, Jul 17, 2018 at 3:37 AM, Dan Carpenter <dan.carpenter@...cle.com> wrote:
> On Mon, Jul 16, 2018 at 07:09:21PM -0700, Todd Poynor wrote:
>> From: Todd Poynor <toddpoynor@...gle.com>
>>
>> Else after return is unnecessary and may cause static code checkers to
>> complain.
>>
>> Reported-by: Guenter Roeck <groeck@...omium.org>
>> Signed-off-by: Simon Que <sque@...omium.org>
>> Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
>> ---
>>  drivers/staging/gasket/gasket_page_table.c | 5 ++---
>>  1 file changed, 2 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
>> index 2a27db658a4e4..080bf78c22c3b 100644
>> --- a/drivers/staging/gasket/gasket_page_table.c
>> +++ b/drivers/staging/gasket/gasket_page_table.c
>> @@ -598,9 +598,8 @@ bool gasket_page_table_is_dev_addr_bad(
>>       if (gasket_addr_is_simple(pg_tbl, dev_addr))
>>               return gasket_is_simple_dev_addr_bad(
>>                       pg_tbl, dev_addr, num_pages);
>> -     else
>> -             return gasket_is_extended_dev_addr_bad(
>> -                     pg_tbl, dev_addr, num_pages);
>> +     return gasket_is_extended_dev_addr_bad(
>> +             pg_tbl, dev_addr, num_pages);
>
> This isn't the normal way to break up a line.  It might even cause
> problems if you run with checkpatch.pl --strict.  And anyway this fits
> on one line:
>
>         return gasket_is_extended_dev_addr_bad(pg_tbl, dev_addr, num_pages);
>
> But normally we would do:
>
>         return gasket_is_extended_dev_addr_bad(pg_tbl, dev_addr, num_pages,
>                                                wha'ever, blah, blah, blah);
>
> There are times when that looks a bit ugly if the variable names are
> long so we could do:
>
>         return gasket_is_extended_dev_addr_bad(
>                                 long_variable_name_asdfasdfaasdf,
>                                 pg_tbl, dev_addr);
>
> But generally try to get a couple tabs in from the start of the function
> name.

Got it, fixed in v3, thanks -- Todd

>
> regards,
> dan carpenter
>