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From: Jacek Anaszewski <j.anaszewski@samsung.com>
To: Heiner Kallweit <hkallweit1@gmail.com>
Cc: "linux-leds@vger.kernel.org" <linux-leds@vger.kernel.org>
Subject: Re: [PATCH] leds: triggers: return error if invalid trigger name is provided via sysfs
Date: Mon, 04 Jul 2016 08:54:02 +0200	[thread overview]
Message-ID: <577A080A.7080108@samsung.com> (raw)
In-Reply-To: <d7ef6332-73ae-b902-bdf2-d6dbcf8cc06c@gmail.com>

Hi Heiner,

On 07/01/2016 11:08 PM, Heiner Kallweit wrote:
> If an invalid trigger name is provided via sysfs currently no error
> is returned. Therefore it's not possible to determine whether the
> trigger was set successfully.
> Fix this by returning -EINVAL if no trigger is matched.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
> ---
>   drivers/leds/led-triggers.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
> index 55fa65e..c92702a 100644
> --- a/drivers/leds/led-triggers.c
> +++ b/drivers/leds/led-triggers.c
> @@ -60,6 +60,8 @@ ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
>   			goto unlock;
>   		}
>   	}
> +	/* we come here only if buf matches no trigger */
> +	ret = -EINVAL;
>   	up_read(&triggers_list_lock);
>
>   unlock:
>

Thanks for the patch. Applied.

-- 
Best regards,
Jacek Anaszewski

      reply	other threads:[~2016-07-04  6:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-01 21:08 [PATCH] leds: triggers: return error if invalid trigger name is provided via sysfs Heiner Kallweit
2016-07-04  6:54 ` Jacek Anaszewski [this message]

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