linux-kernel - Re: [PATCH] scripts/coccinelle/free/ifnullfree.cocci: simplify and extend to of_node

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Date:	Mon, 11 Aug 2014 15:05:21 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
cc:	Julia Lawall <Julia.Lawall@...6.fr>,
	Coccinelle <cocci@...teme.lip6.fr>,
	kernel-janitors@...r.kernel.org,
	Nicolas Palix <nicolas.palix@...g.fr>,
	Michal Marek <mmarek@...e.cz>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scripts/coccinelle/free/ifnullfree.cocci: simplify and
 extend to of_node_put



On Mon, 11 Aug 2014, SF Markus Elfring wrote:

> >  @r depends on context || report || org @
> > @@ -37,7 +35,8 @@ position p;
> >  @@
> >
> >  * if (E)
> > -*	\(kfree@p\|debugfs_remove@p\|debugfs_remove_recursive@p\|usb_free_urb\)(E);
> > +*  \(kfree@p\|debugfs_remove@p\|debugfs_remove_recursive@p\|usb_free_urb@p\|
> > +*    of_node_put@p\)(E);
>
> Why do you want to limit this semantic patch pattern to such a small list of
> function names?

Because these are the ones that kernel developers have cited as
interesting for this kind of transformation.

> Would you like to consider also the hundreds of other functions which perform
> input parameter validation?

Personally, no.  I think I have explained why several times already.

julia

> Are you interested to make the checked list more complete with further
> (eventually automatic?) extensions?
>
> Regards,
> Markus
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