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From: Lars-Peter Clausen <lars@metafoo.de>
To: Julia Lawall <julia.lawall@lip6.fr>
Cc: Gilles Muller <Gilles.Muller@lip6.fr>,
	Nicolas Palix <npalix.work@gmail.com>,
	linux-kernel@vger.kernel.org, cocci@diku.dk, mmarek@suse.cz
Subject: Re: [Cocci] [PATCH 2/2] coccinelle: Add patch for replacing open-coded IS_ERR_OR_NULL
Date: Fri, 23 Dec 2011 13:19:57 +0100	[thread overview]
Message-ID: <4EF471ED.1030902@metafoo.de> (raw)
In-Reply-To: <alpine.DEB.2.02.1112211308290.1826@localhost6.localdomain6>

On 12/21/2011 01:10 PM, Julia Lawall wrote:
> On Wed, 21 Dec 2011, Lars-Peter Clausen wrote:
> 
>> On 12/20/2011 11:24 PM, Julia Lawall wrote:
>>> For this one, I made quite a number of changes, some of which required
>>> fixing a bug in Coccinelle...  I will try to release the bug fix
>>> shortly. In general, though, I have added ... between the two tests.  I
>>> also got rid of the focus on ifs in the org and report rules.
>>>
>>
>> Ok, thanks. Was the removing of the ifs in related to the Coccinelle
>> bug? I
>> always get an error if I start a match with a conditional.
> 
> Not at all.  The bug was that a patterm like:
> 
>  @depends on patch@
>  expression x;
>  @@
>  - IS_ERR(x)
>  + IS_ERR_OR_NULL(x)
>    || ...
>  - || x == NULL
> 
> thought that it should be applied in two ways, giving an error about a
> double transformation of the IS_ERR call.
> 
> Could you reproduce the example that caused problems?

Hm, I can reproduce it anymore, even with my original patch, must have been
caused by some other error I had in the semantic patch at that time.

- Lars

  reply	other threads:[~2011-12-23 12:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-19 13:24 [PATCH 1/2] coccinelle: Add patch for replacing open-coded PTR_RET Lars-Peter Clausen
2011-12-19 13:24 ` [PATCH 2/2] coccinelle: Add patch for replacing open-coded IS_ERR_OR_NULL Lars-Peter Clausen
2011-12-20 22:24   ` [Cocci] " Julia Lawall
2011-12-21 11:49     ` Lars-Peter Clausen
2011-12-21 12:10       ` Julia Lawall
2011-12-23 12:19         ` Lars-Peter Clausen [this message]
2011-12-23 12:26           ` Julia Lawall
2011-12-20 22:19 ` [Cocci] [PATCH 1/2] coccinelle: Add patch for replacing open-coded PTR_RET Julia Lawall

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