Re: [PATCH 1/2] coccinelle: ifnullfree: improve and extend ifnullfree

From: SF Markus Elfring
Date: Sun Oct 18 2015 - 05:56:41 EST


> Remove removal and re-addition of freeing functions.

I find such a wording confusing for a commit message.


> Add position variable on usb_free_urb in the non-patch case.

Is it interesting that this fix corresponds to a bug report from 2014-08-09?
https://lkml.org/lkml/2014/8/9/33
https://systeme.lip6.fr/pipermail/cocci/2014-August/001038.html


> @r depends on context || report || org @
> @@ -36,8 +32,8 @@ expression E;
> position p;
> @@
>
> -* if (E)
> -* \(kfree@p\|debugfs_remove@p\|debugfs_remove_recursive@p\|usb_free_urb\)(E);
> +* if (E != NULL)
> +* \(kfree@p\|debugfs_remove@p\|debugfs_remove_recursive@p\|usb_free_urb@p\)(E);

How do you think about to extend the shown function name pattern
also with suffixes like the following (besides "destroy")?
* put
* release
* unref
* unregister

Regards,
Markus
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