linux-kernel - Re: [PATCH 06/14] HID: usbhid: change return error of usbhid_output

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Message-ID: <CANq1E4QZOKqst3Q19CvCpSWT81uDgBM_fVtiUeyp8gSEhT7zjQ@mail.gmail.com>
Date:	Wed, 12 Feb 2014 11:31:33 +0100
From:	David Herrmann <dh.herrmann@...il.com>
To:	Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	Jiri Kosina <jkosina@...e.cz>,
	"open list:HID CORE LAYER" <linux-input@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 06/14] HID: usbhid: change return error of usbhid_output_report

Hi

On Mon, Feb 10, 2014 at 6:58 PM, Benjamin Tissoires
<benjamin.tissoires@...hat.com> wrote:
> If there is no urbout when sending a output report, ENOSYS (Function
> not implemented) is a better error than EIO (I/O error).

Reviewed-by: David Herrmann <dh.herrmann@...il.com>

Thanks
David

> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> ---
>  drivers/hid/usbhid/hid-core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
> index b9a770f..0d1d875 100644
> --- a/drivers/hid/usbhid/hid-core.c
> +++ b/drivers/hid/usbhid/hid-core.c
> @@ -922,7 +922,7 @@ static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count)
>         int actual_length, skipped_report_id = 0, ret;
>
>         if (!usbhid->urbout)
> -               return -EIO;
> +               return -ENOSYS;
>
>         if (buf[0] == 0x0) {
>                 /* Don't send the Report ID */
> --
> 1.8.3.1
>
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