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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Michal Simek <michal.simek@xilinx.com>
Cc: linux-kernel@vger.kernel.org, monstr@monstr.eu, git@xilinx.com,
	Paul Cercueil <paul@crapouillou.net>,
	linux-usb@vger.kernel.org
Subject: Re: [PATCH] usb: misc: usb3503: Fix logic in usb3503_init()
Date: Tue, 9 Feb 2021 12:59:29 +0100	[thread overview]
Message-ID: <YCJ5IXNmcGOMDAOB@kroah.com> (raw)
In-Reply-To: <4ae929dc31c170252154352d04e89c8456d91ca3.1612870239.git.michal.simek@xilinx.com>

On Tue, Feb 09, 2021 at 12:30:42PM +0100, Michal Simek wrote:
> Based on
> https://lore.kernel.org/linux-arm-kernel/YCJv59g3Tq2haDSa@kroah.com/
> initialization should fail if any registration fails.
> 
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
> 
>  drivers/usb/misc/usb3503.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c
> index 48099c6bf04c..3aae83fbebae 100644
> --- a/drivers/usb/misc/usb3503.c
> +++ b/drivers/usb/misc/usb3503.c
> @@ -409,13 +409,17 @@ static int __init usb3503_init(void)
>  	int err;
>  
>  	err = i2c_add_driver(&usb3503_i2c_driver);
> -	if (err != 0)
> +	if (err) {
>  		pr_err("usb3503: Failed to register I2C driver: %d\n", err);
> +		return err;
> +	}
>  
>  	err = platform_driver_register(&usb3503_platform_driver);
> -	if (err != 0)
> +	if (err) {
>  		pr_err("usb3503: Failed to register platform driver: %d\n",
>  		       err);
> +		return err;

You just left a i2c driver registered :(


  reply	other threads:[~2021-02-09 12:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-09 11:30 [PATCH] usb: misc: usb3503: Fix logic in usb3503_init() Michal Simek
2021-02-09 11:59 ` Greg Kroah-Hartman [this message]
2021-02-09 12:01 ` Johan Hovold

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