--- a/kernel/eka/drivers/usbcsc/d_usbcsc.cpp	Fri Jun 18 18:06:39 2010 +0100
+++ b/kernel/eka/drivers/usbcsc/d_usbcsc.cpp	Sat Jun 19 07:49:33 2010 +0100
@@ -3523,7 +3523,7 @@
 		}
 
 	
-	if (iBuffer && (iBuffer->iStatusList.iState) || (!iRealEpNumber))
+	if ((iBuffer && (iBuffer->iStatusList.iState)) || (!iRealEpNumber))
 		{
 		if (iRequestCallbackInfo->iTransferDir==EControllerWrite)
 			iController->CancelWriteBuffer(iLdd, iRealEpNumber);