From ba09834c5ebdaf8d3e2a518c7fb78eaa7d89bb50 Mon Sep 17 00:00:00 2001
From: Victor Perevertkin <victor.perevertkin@reactos.org>
Date: Wed, 21 Oct 2020 15:24:10 +0300
Subject: [PATCH] [PARPORT] Fix I/O port length check The Standard Parallel
 Port (SPP) has 3 registers, not 4: data, status, control This fixes the
 driver on the Compaq N600c laptop

---
 drivers/parallel/parport/fdo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/parallel/parport/fdo.c b/drivers/parallel/parport/fdo.c
index 82590607f48..deb9b63ba7e 100644
--- a/drivers/parallel/parport/fdo.c
+++ b/drivers/parallel/parport/fdo.c
@@ -161,7 +161,7 @@ FdoStartDevice(IN PDEVICE_OBJECT DeviceObject,
 
                 if (DeviceExtension->BaseAddress == 0)
                 {
-                    if (PartialDescriptor->u.Port.Length < 4)
+                    if (PartialDescriptor->u.Port.Length < 3)
                         return STATUS_INSUFFICIENT_RESOURCES;
 
                     DeviceExtension->BaseAddress = PartialDescriptor->u.Port.Start.u.LowPart;