lkml.org 
[lkml]   [2019]   [Oct]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH linux-kselftest/test v6] lib/list-test: add a test for the 'list' doubly linked list
From
Date
On 10/30/19 4:42 AM, Dan Carpenter wrote:
> On Wed, Oct 30, 2019 at 01:02:11AM -0700, David Gow wrote:
>>> ERROR: that open brace { should be on the previous line
>>> #869: FILE: lib/list-test.c:680:
>>> +static void list_test_list_for_each_entry_reverse(struct kunit *test)
>>> +{
>>>
>>>
>>> I am seeing these error and warns. As per our hallway conversation, the
>>> "for_each*" in the test naming is tripping up checkpatch.pl
>>>
>>> For now you can change the name a bit to not trip checkpatch and maybe
>>> explore fixing checkpatch to differentiate between function names
>>> with "for_each" in them vs. the actual for_each usages in the code.
>>
>> Thanks, Shuah.
>>
>> Yes, the problem here is that checkpatch.pl believes that anything
>> with "for_each" in its name must be a loop, so expects that the open
>> brace is placed on the same line as for a for loop.
>>
>> Longer term, I think it'd be nicer, naming-wise, to fix or work around
>> this issue in checkpatch.pl itself, as that'd allow the tests to
>> continue to follow a naming pattern of "list_test_[x]", where [x] is
>> the name of the function/macro being tested. Of course, short of
>> trying to fit a whole C parser in checkpatch.pl, that's going to
>> involve some compromises as well.
>
> Just make it a black list of the 5 most common for_each macros.
>

How does black listing work in the context of checkpatch.pl?

>>
>> In the meantime, I'm sending out v7 which replaces "for_each" with
>> "for__each" (adding the extra underscore), so that checkpatch is
>> happy.

This change is required just to quiet checkpatch and I am not happy
about asking for this change. At the same time, I am concerned about
git hooks failing on this patch.

>
> It's better to ignore checkpatch and other scripts when they are wrong.
> (unless the warning message inspires you to make the code more readable
> for humans).
>

It gets confusing when to ignore and when not to. It takes work to
figure out and it is subjective.

It would be great if we can consistently rely on a tool that is used as
a criteria for patches to accept patches.

thanks,
-- Shuah


\
 
 \ /
  Last update: 2019-10-30 17:28    [W:0.091 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site