[USBPORT] Add USB2_AllocateCheck().

diff --git a/drivers/usb/usbport/usb2.c b/drivers/usb/usbport/usb2.c
index ace40d1..080d48c 100644 (file)
--- a/drivers/usb/usbport/usb2.c
+++ b/drivers/usb/usbport/usb2.c
@@ -10,6 +10,27 @@
 //#define NDEBUG
 #include <debug.h>
 
 //#define NDEBUG
 #include <debug.h>
 

+BOOLEAN
+NTAPI
+USB2_AllocateCheck(IN OUT PULONG OutTimeUsed,
+                   IN ULONG CalcBusTime,
+                   IN ULONG LimitAllocation)
+{
+    ULONG BusTime;
+    BOOLEAN Result = TRUE;
+
+    BusTime = *OutTimeUsed + CalcBusTime;
+    *OutTimeUsed += CalcBusTime;
+
+    if (BusTime > LimitAllocation)
+    {
+        DPRINT("USB2_AllocateCheck: BusTime > LimitAllocation\n");
+        Result = FALSE;
+    }
+
+    return Result;
+}
+

 USHORT
 NTAPI
 USB2_AddDataBitStuff(IN USHORT DataTime)
 USHORT
 NTAPI
 USB2_AddDataBitStuff(IN USHORT DataTime)