linux-kernel - Re: [PATCH 08/18] leds: lm3532: switch to device_for_each_child_node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Z0Iu5Noc_-hTmNLE@surfacebook.localdomain>
Date: Sat, 23 Nov 2024 21:37:08 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Javier Carrasco <javier.carrasco.cruz@...il.com>
Cc: Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Gene Chen <gene_chen@...htek.com>,
	Jacek Anaszewski <jacek.anaszewski@...il.com>,
	Bartosz Golaszewski <brgl@...ev.pl>, Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH 08/18] leds: lm3532: switch to
 device_for_each_child_node_scoped()

Fri, Sep 27, 2024 at 01:20:59AM +0200, Javier Carrasco kirjoitti:
> Switch to device_for_each_child_node_scoped() to simplify the code by
> removing the need for calls to fwnode_handle_put() in the error paths.
> 
> This also prevents possible memory leaks if new error paths are added
> without the required call to fwnode_handle_put().
> 
> After switching to the scoped variant, there is no longer need for a
> jump to 'child_out', as an immediate return is possible.

...

>  		if (ret) {
>  			dev_err(&priv->client->dev, "reg property missing\n");
> -			goto child_out;
> +			return ret;

return dev_err_probe(...);

>  		}

...

>  		if (ret) {
>  			dev_err(&priv->client->dev, "ti,led-mode property missing\n");
> -			goto child_out;
> +			return ret;
>  		}

...

>  		if (ret) {
>  			dev_err(&priv->client->dev, "led-sources property missing\n");
> -			goto child_out;
> +			return ret;
>  		}

...

>  		if (ret) {
>  			dev_err(&priv->client->dev, "led register err: %d\n",
>  				ret);
> -			goto child_out;
> +			return ret;
>  		}
>  
>  		ret = lm3532_init_registers(led);
>  		if (ret) {
>  			dev_err(&priv->client->dev, "register init err: %d\n",
>  				ret);
> -			goto child_out;
> +			return ret;
>  		}

Ditto for all above.

-- 
With Best Regards,
Andy Shevchenko