linux-input.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] Input: wacom - fix error return code in wacom_probe()
@ 2013-08-23  2:53 Wei Yongjun
  2013-08-24 23:41 ` Dmitry Torokhov
  0 siblings, 1 reply; 2+ messages in thread
From: Wei Yongjun @ 2013-08-23  2:53 UTC (permalink / raw)
  To: dmitry.torokhov, killertofu, pinglinux, chris, fengguang.wu
  Cc: yongjun_wei, linux-input

From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Fix to return a negative error code from the urb submit error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 drivers/input/tablet/wacom_sys.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index aaf23ae..7eeac61 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -1366,7 +1366,8 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 	usb_set_intfdata(intf, wacom);
 
 	if (features->quirks & WACOM_QUIRK_MONITOR) {
-		if (usb_submit_urb(wacom->irq, GFP_KERNEL))
+		error = usb_submit_urb(wacom->irq, GFP_KERNEL);
+		if (error)
 			goto fail5;
 	}
 


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] Input: wacom - fix error return code in wacom_probe()
  2013-08-23  2:53 [PATCH] Input: wacom - fix error return code in wacom_probe() Wei Yongjun
@ 2013-08-24 23:41 ` Dmitry Torokhov
  0 siblings, 0 replies; 2+ messages in thread
From: Dmitry Torokhov @ 2013-08-24 23:41 UTC (permalink / raw)
  To: Wei Yongjun
  Cc: killertofu, pinglinux, chris, fengguang.wu, yongjun_wei,
	linux-input

Hi Wei,

On Fri, Aug 23, 2013 at 10:53:00AM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> Fix to return a negative error code from the urb submit error
> handling case instead of 0, as done elsewhere in this function.
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> ---
>  drivers/input/tablet/wacom_sys.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
> index aaf23ae..7eeac61 100644
> --- a/drivers/input/tablet/wacom_sys.c
> +++ b/drivers/input/tablet/wacom_sys.c
> @@ -1366,7 +1366,8 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
>  	usb_set_intfdata(intf, wacom);
>  
>  	if (features->quirks & WACOM_QUIRK_MONITOR) {
> -		if (usb_submit_urb(wacom->irq, GFP_KERNEL))
> +		error = usb_submit_urb(wacom->irq, GFP_KERNEL);
> +		if (error)
>  			goto fail5;
>  	}

If I remember correctly usb_submit_urb() uses errno definitions in a
creative way, so returning them verbatim to the upper layers is not teh
beset solution. I will change this to return -EIO instead.

Thanks.

-- 
Dmitry

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2013-08-24 23:41 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-08-23  2:53 [PATCH] Input: wacom - fix error return code in wacom_probe() Wei Yongjun
2013-08-24 23:41 ` Dmitry Torokhov

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).