Re: [PATCH 19/38] net: atm: add missing put_device call

[David Miller]

From: Levente Kurusa <levex@xxxxxxxxx>
Date: Thu, 19 Dec 2013 16:03:30 +0100

> This is required so that we give up the last reference to the device.
> 
> Signed-off-by: Levente Kurusa <levex@xxxxxxxxx>
 ...
> @@ -154,8 +154,10 @@ int atm_register_sysfs(struct atm_dev *adev, struct device *parent)
>  
>  	dev_set_name(cdev, "%s%d", adev->type, adev->number);
>  	err = device_register(cdev);
> -	if (err < 0)
> +	if (err < 0) {
> +		put_device(cdev);
>  		return err;
> +	}

This doesn't make any sense.

Nothing has a reference to 'cdev'.  Yes, 'adev' has a reference,
acquired by the caller of this function, but that's not what we're
working with here.
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