PERFORCE change 131604 for review

Hans Petter Selasky hselasky at FreeBSD.org
Tue Dec 25 11:28:04 PST 2007


http://perforce.freebsd.org/chv.cgi?CH=131604

Change 131604 by hselasky at hselasky_laptop001 on 2007/12/25 19:27:12

	
	Get "bInterfaceNumber" right. The variable is incremented
	prior to writing it into the interface structures, so we
	need to start at minus one, so that the first interface
	gets a value of zero.

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb/usb_template.c#10 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb/usb_template.c#10 (text+ko) ====

@@ -256,7 +256,7 @@
 
 	/* Reset some counters */
 
-	temp->bInterfaceNumber = 0;
+	temp->bInterfaceNumber = 0 - 1;
 	temp->bAlternateSetting = 0;
 
 	/* Scan all the USB interfaces */
@@ -281,7 +281,7 @@
 		cd->bLength = sizeof(*cd);
 		cd->bDescriptorType = UDESC_CONFIG;
 		USETW(cd->wTotalLength, old_size);
-		cd->bNumInterface = temp->bInterfaceNumber;
+		cd->bNumInterface = temp->bInterfaceNumber + 1;
 		cd->bConfigurationValue = temp->bConfigurationValue;
 		cd->iConfiguration = tcd->iConfiguration;
 		cd->bmAttributes = tcd->bmAttributes;


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