PERFORCE change 129388 for review

[Hans Petter Selasky]

http://perforce.freebsd.org/chv.cgi?CH=129388

Change 129388 by hselasky at hselasky_laptop001 on 2007/11/22 19:59:02

	
	Refactor code. Part of adding support for loading
	virtual buffers directly into DMA.

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb/usb_transfer.c#43 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb/usb_transfer.c#43 (text+ko) ====

@@ -1261,7 +1261,10 @@
 
 	mtx_assert(xfer->priv_mtx, MA_OWNED);
 
-	if (xfer->flags_int.open) {
+	if (!xfer->flags_int.open) {
+		return;
+	}
+
 		/* set "transferring" and "recursed_2" flags */
 		xfer->flags_int.transferring = 1;
 		xfer->flags_int.recursed_2 = 1;
@@ -1330,7 +1333,6 @@
 		(xfer->pipe->methods->enter) (xfer);
 
 		mtx_unlock(xfer->usb_mtx);
-	}
 	return;
 }