From 4ed942b77e534f54ae7fd33bbe306b3ee4fc4439 Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Tue, 8 Dec 2015 13:54:35 +0000
Subject: [PATCH] [CLASS2] - Properly forward PNP IRPs to the lower device
 CORE-8911

svn path=/trunk/; revision=70308
---
 reactos/drivers/storage/class/class2/class2.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/reactos/drivers/storage/class/class2/class2.c b/reactos/drivers/storage/class/class2/class2.c
index 151dab59f81..8a62f0df1cb 100644
--- a/reactos/drivers/storage/class/class2/class2.c
+++ b/reactos/drivers/storage/class/class2/class2.c
@@ -354,15 +354,15 @@ ScsiClassPlugPlay(
     {
         ASSERT(DeviceInfo->Signature == '2slc');
         IoSkipCurrentIrpStackLocation(Irp);
-        return STATUS_SUCCESS;
+        return IoCallDriver(DeviceInfo->LowerDevice, Irp);
     }
     else if (IrpSp->MinorFunction == IRP_MN_REMOVE_DEVICE)
     {
-        PCLASS_DEVICE_INFO DeviceInfo = DeviceObject->DeviceExtension;
-
         ASSERT(DeviceInfo->Signature == '2slc');
         ScsiClassRemoveDriveLetter(DeviceInfo);
 
+        IoForwardIrpSynchronously(DeviceInfo->LowerDevice, Irp);
+
         Irp->IoStatus.Status = STATUS_SUCCESS;
         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 
@@ -372,6 +372,12 @@ ScsiClassPlugPlay(
     }
     else
     {
+        if (DeviceInfo->Signature == '2slc')
+        {
+            IoSkipCurrentIrpStackLocation(Irp);
+            return IoCallDriver(DeviceInfo->LowerDevice, Irp);
+        }
+
         Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
         IoCompleteRequest(Irp, IO_NO_INCREMENT);
         return STATUS_NOT_SUPPORTED;