Re: [patch]hp_accel: Fix race in device removal

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On Fri 2010-05-07 18:04:20, Oliver Neukum wrote:
> From 505056649f5ecb1ebb086981243b9870ce961a87 Mon Sep 17 00:00:00 2001
> From: Oliver Neukum <oliver@xxxxxxxxxx>
> Date: Fri, 7 May 2010 18:02:07 +0200
> Subject: [PATCH] hp_accel: Fix race in device removal
> 
> The work queue has to be flushed after the device has been made
> inaccessible.
> 
> Signed-off-by: Oliver Neukum <oneukum@xxxxxxx>

ACK.
> ---
>  drivers/hwmon/hp_accel.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c
> index c8ab505..7580f55 100644
> --- a/drivers/hwmon/hp_accel.c
> +++ b/drivers/hwmon/hp_accel.c
> @@ -328,8 +328,8 @@ static int lis3lv02d_remove(struct acpi_device *device, int type)
>  	lis3lv02d_joystick_disable();
>  	lis3lv02d_poweroff(&lis3_dev);
>  
> -	flush_work(&hpled_led.work);
>  	led_classdev_unregister(&hpled_led.led_classdev);
> +	flush_work(&hpled_led.work);
>  
>  	return lis3lv02d_remove_fs(&lis3_dev);
>  }

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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