PERFORCE change 172876 for review

[Hans Petter Selasky]

http://p4web.freebsd.org/chv.cgi?CH=172876

Change 172876 by hselasky at hselasky_laptop001 on 2010/01/09 22:16:58

	
	LibUSB:
	    - Bugfix:
	    - Make sure dirty variables get cleaned at transfer close.
	  Else it is not possible to re-open the transfer at a later
	  point.
	    - found and patched by HPS

Affected files ...

.. //depot/projects/usb/src/lib/libusb/libusb20.c#13 edit

Differences ...

==== //depot/projects/usb/src/lib/libusb/libusb20.c#13 (text+ko) ====

@@ -130,8 +130,19 @@
 	if (xfer->ppBuffer) {
 		free(xfer->ppBuffer);
 	}
-	/* clear some fields */
+	/* reset variable fields in case the transfer is opened again */
+	xfer->priv_sc0 = 0;
+	xfer->priv_sc1 = 0;
 	xfer->is_opened = 0;
+	xfer->is_pending = 0;
+	xfer->is_cancel = 0;
+	xfer->is_draining = 0;
+	xfer->is_restart = 0;
+	xfer->status = 0;
+	xfer->flags = 0;
+	xfer->nFrames = 0;
+	xfer->aFrames = 0;
+	xfer->timeout = 0;
 	xfer->maxFrames = 0;
 	xfer->maxTotalLength = 0;
 	xfer->maxPacketLen = 0;