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Message-ID: <0b77e146-df2f-4fe1-a4e8-206a62a5ac59@moroto.mountain>
Date: Sat, 16 Mar 2024 12:54:23 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Niklas Söderlund <niklas.soderlund@...natech.se>
Cc: Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Markus Elfring <Markus.Elfring@....de>,
	linux-renesas-soc@...r.kernel.org, linux-media@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] media: rcar-csi2: Use common error handling code in
 rcsi2_parse_dt()

On Sat, Mar 16, 2024 at 10:46:52AM +0100, Niklas Söderlund wrote:
> Hi Dan,
> 
> On 2024-03-04 14:16:56 +0300, Dan Carpenter wrote:
> > On Mon, Mar 04, 2024 at 10:48:47AM +0000, Sakari Ailus wrote:
> > > Hi Dan,
> > > 
> > > On Fri, Mar 01, 2024 at 04:42:01PM +0300, Dan Carpenter wrote:
> > > > Sakari Ailus pointed out in another thread that we could use __free()
> > > > instead.  Something like this:
> > > > 
> > > 
> > > Looks good to me.
> > 
> > Thanks for checking!  I've never used these before.
> > 
> > > 
> > > We could merge this with your SoB (pending Niklas's review). :-) The driver
> > > has been since moved under drivers/media/platform/renesas/rcar-vin/ .
> > 
> > Alright.  I can resend this as a proper patch.
> 
> Please do.
> 
> I do find the idea of scoped operations and the syntax
> 
>     struct fwnode_handle *fwnode __free(fwnode_handle) = NULL;
> 
> a bit foreign in a C context. But I think the intention is clear and it 
> allows us to avoid having the remember to free the fwnode in error paths 
> which is a nice thing.
> 

I said I would send a couple of these but then Markus went ahead and
sent the patches that I was going to write...  And then it was like,
"Oh, these have some questionable style issues" so it wasn't clear what
was happening and I lost track.

regards,
dan carpenter


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