netdev - Re: [PATCH v1 4/9] can: Add Nuvoton NCT6694 CAN support

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Message-ID: <20241024-bald-orthodox-bloodhound-0ce66c-mkl@pengutronix.de>
Date: Thu, 24 Oct 2024 12:05:35 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Ming Yu <a0282524688@...il.com>
Cc: tmyu0@...oton.com, lee@...nel.org, mailhol.vincent@...adoo.fr, 
	linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v1 4/9] can: Add Nuvoton NCT6694 CAN support

On 24.10.2024 12:03:34, Marc Kleine-Budde wrote:
> Trimming Cc a bit
> 
> On 24.10.2024 16:59:17, Ming Yu wrote:
> > +static struct platform_driver nct6694_canfd_driver = {
> > +	.driver = {
> > +		.name	= DRVNAME,
> > +	},
> > +	.probe		= nct6694_canfd_probe,
> > +	.remove		= nct6694_canfd_remove,
> > +};
> > +
> > +static int __init nct6694_init(void)
> > +{
> > +	int err;
> > +
> > +	err = platform_driver_register(&nct6694_canfd_driver);
> > +	if (!err) {
>             ^^^^
> > +		if (err)
>                     ^^^
> 
> This look wrong.
> 
> > +			platform_driver_unregister(&nct6694_canfd_driver);
> 
> Why do you want to unregister if registering fails?

This is a pattern that repeats over all platform driver :/

Marc

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