Re: [PATCH v2 3/3] Coccinelle: misc: Add support for devm variant in all modes

From: Vaishali Thakkar
Date: Tue Oct 18 2016 - 13:43:46 EST




On Tuesday 18 October 2016 10:40 PM, Julia Lawall wrote:
>
>
> On Tue, 18 Oct 2016, Vaishali Thakkar wrote:
>
>>
>>
>> On Sunday 16 October 2016 10:37 PM, Vaishali Thakkar wrote:
>>> Add missing support for the devm_request_threaded_irq in
>>> the rules of context, report and org modes.
>>>
>>> Misc:
>>> ----
>>> To be consistent with other scripts, change confidence level
>>> of the script to 'Moderate'.
>>>
>>> Signed-off-by: Vaishali Thakkar <vaishali.thakkar@xxxxxxxxxx>
>>> ---
>>> scripts/coccinelle/misc/irqf_oneshot.cocci | 10 +++++++++-
>>> 1 file changed, 9 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/scripts/coccinelle/misc/irqf_oneshot.cocci b/scripts/coccinelle/misc/irqf_oneshot.cocci
>>> index 03b748d..f6c93fd 100644
>>> --- a/scripts/coccinelle/misc/irqf_oneshot.cocci
>>> +++ b/scripts/coccinelle/misc/irqf_oneshot.cocci
>>> @@ -5,7 +5,7 @@
>>> /// So pass the IRQF_ONESHOT flag in this case.
>>> ///
>>> //
>>> -// Confidence: Good
>>> +// Confidence: Moderate
>>> // Comments:
>>> // Options: --no-includes
>>>
>>> @@ -89,13 +89,21 @@ devm_request_threaded_irq@p(dev, irq, NULL, thread_fn,
>>> @depends on context@
>>> position p != {r1.p,r2.p};
>>> @@
>>> +(
>>> *request_threaded_irq@p(irq, NULL, ...)
>>> +|
>>> +*devm_request_threaded_irq@p(dev, irq, NULL, ...)
>>> +)
>>>
>>> @match depends on report || org@
>>> expression irq;
>>> position p != {r1.p,r2.p};
>>> @@
>>> +(
>>> request_threaded_irq@p(irq, NULL, ...)
>>> +|
>>> +devm_request_threaded_irq@p(dev, irq, NULL, ...)
>>> +)
>>
>> Oh, my bad here. :(
>>
>> Forgot the initialization of meta variables for the
>> arguments.
>>
>> But I am wondering why coccicheck didn't fail here.
>> Isn't it suppose to give parsing errors? Or it doesn't
>> do that?
>
> It just give a warning, which I guess make coccicheck hides. It is
> allowed to require an argument to be named dev, although it is nicer if
> one declares it with symbol in that case.

Ah, ok. The results were based on the names 'irq, dev etc', not on the
assumption for metavariables.

> julia
>
>>
>> In any case, I am sorry for this. I'll send the revised
>> version of the patches.
>>
>>> @script:python depends on org@
>>> p << match.p;
>>>
>>
>> --
>> Vaishali
>>

--
Vaishali