diff -r d7c1885c0106 -r b41fc9c39ca7 kernel/eka/drivers/usbcsc/usbcsc_bil.cpp
--- a/kernel/eka/drivers/usbcsc/usbcsc_bil.cpp	Fri Jun 18 18:06:39 2010 +0100
+++ b/kernel/eka/drivers/usbcsc/usbcsc_bil.cpp	Sat Jun 19 07:49:33 2010 +0100
@@ -160,7 +160,7 @@
 	TUint localTail = endpointHdr->iBilTail;
 	TUsbcScTransferHeader* currentTransfer = (TUsbcScTransferHeader*) (base + localTail);
 
-	if ((localTail == (TUint)endpointHdr->iHead) || (currentTransfer->iAltSettingSeq != (iAltSettingSeq+1)&0xFFFF))
+	if ((localTail == (TUint)endpointHdr->iHead) || (currentTransfer->iAltSettingSeq != ((iAltSettingSeq+1)&0xFFFF)))
 		// if alternate setting has not changed
 		return KErrNotReady;
 	else