linux-kernel - Re: [PATCH] leds-mc13783: set platform data to NULL at mc13783_led

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Date:	Mon, 2 Jul 2012 21:53:21 +0800
From:	Bryan Wu <bryan.wu@...onical.com>
To:	Devendra Naga <devendra.aaru@...il.com>
Cc:	Richard Purdie <rpurdie@...ys.net>, linux-leds@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] leds-mc13783: set platform data to NULL at mc13783_led_remove

On Mon, Jul 2, 2012 at 4:40 PM, Devendra Naga <devendra.aaru@...il.com> wrote:
> the platform_set_drvdata (pdev, NULL) to be set at the remove of the
> driver, as we have set the platform data to led at probe.
>
> Signed-off-by: Devendra Naga <devendra.aaru@...il.com>

Nice catch. I applied this patch in my for-next branch.

But I also find the same issue in other LED drivers, are you
interested in fixing them?

Thanks,
-Bryan

> ---
>  drivers/leds/leds-mc13783.c |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
> index 4cc6a2e..6515c11 100644
> --- a/drivers/leds/leds-mc13783.c
> +++ b/drivers/leds/leds-mc13783.c
> @@ -372,6 +372,7 @@ static int __devexit mc13783_led_remove(struct platform_device *pdev)
>
>         mc13xxx_unlock(dev);
>
> +       platform_set_drvdata(pdev, NULL);
>         kfree(led);
>         return 0;
>  }
> --
> 1.7.9.5
>



-- 
Bryan Wu <bryan.wu@...onical.com>
Kernel Developer    +86.186-168-78255 Mobile
Canonical Ltd.      www.canonical.com
Ubuntu - Linux for human beings | www.ubuntu.com
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