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[PATCH 4/5] input: twl6040-vibra: ignore return value of schedule_work

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  [PATCH 4/5] input: twl6040-vibra: ignore return value of schedule_work "H. Nikolaus Schaller" <hns@goldelico.com> - 2016-04-18 22:00 +0200
    Re: [PATCH 4/5] input: twl6040-vibra: ignore return value of  schedule_work Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-04-18 23:50 +0200

#1382010 — [PATCH 4/5] input: twl6040-vibra: ignore return value of schedule_work

returning ret is wrong. And checking for an error as well. User space
may call multiple times until the work is really scheduled.

twl4030-vibra.c also ignores the return value.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
---
 drivers/input/misc/twl6040-vibra.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 3805129..69c5940 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -212,11 +212,7 @@ static int vibra_play(struct input_dev *input, void *data,
 	info->strong_speed = effect->u.rumble.strong_magnitude;
 	info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1;
 
-	ret = schedule_work(&info->play_work);
-	if (!ret) {
-		dev_info(&input->dev, "work is already on queue\n");
-		return ret;
-	}
+	schedule_work(&info->play_work);
 
 	return 0;
 }
-- 
2.7.3

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#1382076 — Re: [PATCH 4/5] input: twl6040-vibra: ignore return value of schedule_work

On Mon, Apr 18, 2016 at 09:55:40PM +0200, H. Nikolaus Schaller wrote:
> returning ret is wrong. And checking for an error as well. User space
> may call multiple times until the work is really scheduled.
> 
> twl4030-vibra.c also ignores the return value.
> 
> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>

Applied, thank you.

> ---
>  drivers/input/misc/twl6040-vibra.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
> index 3805129..69c5940 100644
> --- a/drivers/input/misc/twl6040-vibra.c
> +++ b/drivers/input/misc/twl6040-vibra.c
> @@ -212,11 +212,7 @@ static int vibra_play(struct input_dev *input, void *data,
>  	info->strong_speed = effect->u.rumble.strong_magnitude;
>  	info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1;
>  
> -	ret = schedule_work(&info->play_work);
> -	if (!ret) {
> -		dev_info(&input->dev, "work is already on queue\n");
> -		return ret;
> -	}
> +	schedule_work(&info->play_work);
>  
>  	return 0;
>  }
> -- 
> 2.7.3
> 

-- 
Dmitry

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