Re: [PATCH] soc: qcom: pmic_glink_altmode: Use common error handling code in pmic_glink_altmode_probe()

From: Dan Carpenter
Date: Thu Feb 29 2024 - 02:31:34 EST


On Thu, Feb 29, 2024 at 12:26:49AM +0100, Konrad Dybcio wrote:
>
>
> On 2/28/24 19:05, Markus Elfring wrote:
> > From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> > Date: Wed, 28 Feb 2024 18:45:13 +0100
> >
> > Add a jump target so that a bit of exception handling can be better reused
> > at the end of this function implementation.
> >
> > This issue was transformed by using the Coccinelle software.
> >
> > Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> > ---
>
> (+CC Peter)
>
> Hmm.. this looks very similar to the problem that __free solves
> with <linux/cleanup.h>..
>
> I know no better, but wouldn't the same mechanism, down to the
> usage of DEFINE_FREE work fine for _put-like functions?

Jonathan Cameron has created something like this:
https://lore.kernel.org/all/20240225142714.286440-1-jic23@xxxxxxxxxx/

It hasn't been merged yet and it would need a bit of adjusting for this
use case but it's basically what you want.

regards,
dan carpenter