linux-kernel - Re: [rtc-linux] [PATCH] tile: add an RTC driver for the Tilera hypervisor

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Message-Id: <20110511154407.ed3c0480.akpm@linux-foundation.org>
Date:	Wed, 11 May 2011 15:44:07 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	rtc-linux@...glegroups.com
Cc:	Chris Metcalf <cmetcalf@...era.com>, linux-kernel@...r.kernel.org,
	Alessandro Zummo <a.zummo@...ertech.it>
Subject: Re: [rtc-linux] [PATCH] tile: add an RTC driver for the Tilera
 hypervisor

On Wed, 4 May 2011 15:52:21 -0400
Chris Metcalf <cmetcalf@...era.com> wrote:

> This is a simple RTC driver that lets Tilera hardware boot up and
> set the clock correctly.
> 
>
> ...
>
> +static int __init tile_rtc_driver_init(void)
> +{
> +	int err;
> +
> +	err = platform_driver_register(&tile_rtc_platform_driver);
> +	if (err)
> +		return err;
> +
> +	tile_rtc_platform_device = platform_device_alloc("rtc-tile", 0);
> +	if (tile_rtc_platform_device == NULL) {
> +		platform_driver_unregister(&tile_rtc_platform_driver);
> +		return -ENOMEM;
> +	}
> +
> +	err = platform_device_add(tile_rtc_platform_device);
> +	if (err) {
> +		platform_device_put(tile_rtc_platform_device);

should we have a platform_driver_unregister() here?

> +		return err;
> +	}
> +
> +	return 0;
> +}
>
> ...
>
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