[reactos] 01/01: [USBPORT] Make unload work

[Timo Kreuzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=e693d5ffc08e945e0d3d3c...

commit e693d5ffc08e945e0d3d3c4b7172d3f2b79e5f0e
Author:     Timo Kreuzer [e-mail]
AuthorDate: Mon Oct 5 15:43:47 2020 +0200
Commit:     Timo Kreuzer [e-mail]
CommitDate: Fri May 28 22:29:44 2021 +0200

[USBPORT] Make unload work
---
 drivers/usb/usbport/pnp.c     |  2 +-
 drivers/usb/usbport/usbport.c | 22 ++++++++++++++++++++++
 drivers/usb/usbport/usbport.h |  8 +++++++-
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/usbport/pnp.c b/drivers/usb/usbport/pnp.c
index 545b75e8201..b744857c94b 100644
--- a/drivers/usb/usbport/pnp.c
+++ b/drivers/usb/usbport/pnp.c
@@ -490,7 +490,6 @@ NTAPI
 USBPORT_StopDevice(IN PDEVICE_OBJECT FdoDevice)
 {
     DPRINT1("USBPORT_StopDevice: UNIMPLEMENTED. FIXME\n");
-    DbgBreakPoint();
     return STATUS_SUCCESS;
 }

@@ -901,6 +900,7 @@ USBPORT_StartDevice(IN PDEVICE_OBJECT FdoDevice,
     return Status;

ExitWithError:
+    USBPORT_StopWorkerThread(FdoDevice);
     USBPORT_StopDevice(FdoDevice);

DPRINT1("USBPORT_StartDevice: ExitWithError Status - %lx\n", Status);
diff --git a/drivers/usb/usbport/usbport.c b/drivers/usb/usbport/usbport.c
index 226bc6815aa..6fc6d6f155e 100644
--- a/drivers/usb/usbport/usbport.c
+++ b/drivers/usb/usbport/usbport.c
@@ -1390,6 +1390,11 @@ USBPORT_WorkerThread(IN PVOID StartContext)
                               FALSE,
                               NULL);

+        if (FdoExtension->Flags & USBPORT_FLAG_WORKER_THREAD_EXIT)
+        {
+            break;
+        }
+
         KeQuerySystemTime(&NewTime);

KeAcquireSpinLock(&FdoExtension->WorkerThreadEventSpinLock, &OldIrql);
@@ -1445,6 +1450,23 @@ USBPORT_CreateWorkerThread(IN PDEVICE_OBJECT FdoDevice)
     return Status;
 }

+VOID
+NTAPI
+USBPORT_StopWorkerThread(IN PDEVICE_OBJECT FdoDevice)
+{
+    PUSBPORT_DEVICE_EXTENSION FdoExtension;
+    NTSTATUS Status;
+
+    DPRINT("USBPORT_StopWorkerThread ... \n");
+
+    FdoExtension = FdoDevice->DeviceExtension;
+
+    FdoExtension->Flags |= USBPORT_FLAG_WORKER_THREAD_EXIT;
+    USBPORT_SignalWorkerThread(FdoDevice);
+    Status = ZwWaitForSingleObject(FdoExtension->WorkerThreadHandle, FALSE, NULL);
+    NT_ASSERT(Status == STATUS_SUCCESS);
+}
+
 VOID
 NTAPI
 USBPORT_SynchronizeControllersStart(IN PDEVICE_OBJECT FdoDevice)
diff --git a/drivers/usb/usbport/usbport.h b/drivers/usb/usbport/usbport.h
index 6ec826afede..9240c64545c 100644
--- a/drivers/usb/usbport/usbport.h
+++ b/drivers/usb/usbport/usbport.h
@@ -8,7 +8,7 @@
 #ifndef USBPORT_H__
 #define USBPORT_H__

-#include <ntddk.h>
+#include <ntifs.h>
 #include <windef.h>
 #include <stdio.h>
 #include <wdmguid.h>
@@ -67,6 +67,7 @@
 #define USBPORT_FLAG_HC_STARTED        0x00000002
 #define USBPORT_FLAG_HC_POLLING        0x00000004
 #define USBPORT_FLAG_WORKER_THREAD_ON  0x00000008
+#define USBPORT_FLAG_WORKER_THREAD_EXIT 0x00000010
 #define USBPORT_FLAG_HC_SUSPEND        0x00000100
 #define USBPORT_FLAG_INTERRUPT_ENABLED 0x00000400
 #define USBPORT_FLAG_SELECTIVE_SUSPEND 0x00000800
@@ -595,6 +596,11 @@ NTAPI
 USBPORT_CreateWorkerThread(
   IN PDEVICE_OBJECT FdoDevice);

+VOID
+NTAPI
+USBPORT_StopWorkerThread(
+  IN PDEVICE_OBJECT FdoDevice);
+
 BOOLEAN
 NTAPI
 USBPORT_StartTimer(