From: Oliver Neukum on
From 64a9e0d8e585c65526248e6cf1659a13fb01a93a Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver(a)neukum.org>
Date: Fri, 7 May 2010 17:41:59 +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(a)suse.de>
---
drivers/hwmon/hp_accel.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c
index c8ab505..6f6e05d 100644
--- a/drivers/hwmon/hp_accel.c
+++ b/drivers/hwmon/hp_accel.c
@@ -328,9 +328,9 @@ 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);
}

--
1.6.4.2

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From: Jean Delvare on
Hi Oliver,

On Fri, 7 May 2010 17:47:40 +0200, Oliver Neukum wrote:
> From 64a9e0d8e585c65526248e6cf1659a13fb01a93a Mon Sep 17 00:00:00 2001
> From: Oliver Neukum <oliver(a)neukum.org>
> Date: Fri, 7 May 2010 17:41:59 +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(a)suse.de>
> ---
> drivers/hwmon/hp_accel.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c
> index c8ab505..6f6e05d 100644
> --- a/drivers/hwmon/hp_accel.c
> +++ b/drivers/hwmon/hp_accel.c
> @@ -328,9 +328,9 @@ 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);
> }
>

You are adding trailing white space. Please don't. Use
scripts/checkpatch.pl to check your patches before you send them.

--
Jean Delvare
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From: Oliver Neukum on
Am Freitag, 7. Mai 2010 17:54:01 schrieb Jean Delvare:
> Hi Oliver,
>
> On Fri, 7 May 2010 17:47:40 +0200, Oliver Neukum wrote:
> > From 64a9e0d8e585c65526248e6cf1659a13fb01a93a Mon Sep 17 00:00:00 2001
> > From: Oliver Neukum <oliver(a)neukum.org>
> > Date: Fri, 7 May 2010 17:41:59 +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(a)suse.de>
> > ---
> > drivers/hwmon/hp_accel.c | 4 ++--
> > 1 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c
> > index c8ab505..6f6e05d 100644
> > --- a/drivers/hwmon/hp_accel.c
> > +++ b/drivers/hwmon/hp_accel.c
> > @@ -328,9 +328,9 @@ 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);
> > }
> >
>
> You are adding trailing white space. Please don't. Use
> scripts/checkpatch.pl to check your patches before you send them.

Thank you. A corrected version is on its way.

Regards
Oliver
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