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* [PATCH] USB speedtouch: handle failure of usb_set_interface.
@ 2003-03-26 17:04 Duncan Sands
  2003-03-28 22:15 ` Greg KH
  0 siblings, 1 reply; 2+ messages in thread
From: Duncan Sands @ 2003-03-26 17:04 UTC (permalink / raw)
  To: linux-usb-devel; +Cc: Greg KH, linux-kernel

 speedtch.c |   26 ++++++++++++++++++--------
 1 files changed, 18 insertions(+), 8 deletions(-)


diff -Nru a/drivers/usb/misc/speedtch.c b/drivers/usb/misc/speedtch.c
--- a/drivers/usb/misc/speedtch.c	Wed Mar 26 18:02:57 2003
+++ b/drivers/usb/misc/speedtch.c	Wed Mar 26 18:02:57 2003
@@ -1034,6 +1034,23 @@
 **  USB  **
 **********/
 
+static int udsl_set_alternate (struct udsl_instance_data *instance)
+{
+	down (&instance->serialize); /* vs self */
+	if (!instance->firmware_loaded) {
+		int ret;
+
+		if ((ret = usb_set_interface (instance->usb_dev, 1, 1)) < 0) {
+			up (&instance->serialize);
+			return ret;
+		}
+		instance->firmware_loaded = 1;
+	}
+	up (&instance->serialize);
+	udsl_fire_receivers (instance);
+	return 0;
+}
+
 static int udsl_usb_ioctl (struct usb_interface *intf, unsigned int code, void *user_data)
 {
 	struct udsl_instance_data *instance = usb_get_intfdata (intf);
@@ -1048,14 +1065,7 @@
 	switch (code) {
 	case UDSL_IOCTL_START:
 		instance->atm_dev->signal = ATM_PHY_SIG_FOUND;
-		down (&instance->serialize); /* vs self */
-		if (!instance->firmware_loaded) {
-			usb_set_interface (instance->usb_dev, 1, 1);
-			instance->firmware_loaded = 1;
-		}
-		up (&instance->serialize);
-		udsl_fire_receivers (instance);
-		return 0;
+		return udsl_set_alternate (instance);
 	case UDSL_IOCTL_STOP:
 		instance->atm_dev->signal = ATM_PHY_SIG_LOST;
 		return 0;


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

* Re: [PATCH] USB speedtouch: handle failure of usb_set_interface.
  2003-03-26 17:04 [PATCH] USB speedtouch: handle failure of usb_set_interface Duncan Sands
@ 2003-03-28 22:15 ` Greg KH
  0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2003-03-28 22:15 UTC (permalink / raw)
  To: Duncan Sands; +Cc: linux-usb-devel, linux-kernel

On Wed, Mar 26, 2003 at 06:04:59PM +0100, Duncan Sands wrote:
>  speedtch.c |   26 ++++++++++++++++++--------
>  1 files changed, 18 insertions(+), 8 deletions(-)

Applied, thanks.

greg k-h


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

end of thread, other threads:[~2003-03-28 22:06 UTC | newest]

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2003-03-26 17:04 [PATCH] USB speedtouch: handle failure of usb_set_interface Duncan Sands
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