[janderwald] 72979: [WDMAUD] - fix a bug in WdmAudControlDeviceType - clear handle value when opening device interface key fails

Author: janderwald
Date: Mon Oct 17 19:03:01 2016
New Revision: 72979

URL: http://svn.reactos.org/svn/reactos?rev=72979&view=rev
Log:
[WDMAUD]
- fix a bug in WdmAudControlDeviceType
- clear handle value when opening device interface key fails

Modified:
    trunk/reactos/drivers/wdm/audio/legacy/wdmaud/control.c
    trunk/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c

Modified: trunk/reactos/drivers/wdm/audio/legacy/wdmaud/control.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/legacy/wd...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/legacy/wdmaud/control.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/legacy/wdmaud/control.c	[iso-8859-1] Mon Oct 17 19:03:01 2016
@@ -55,11 +55,11 @@
     }
     else if (DeviceInfo->DeviceType == WAVE_OUT_DEVICE_TYPE)
     {
+        Result = WdmAudGetWaveOutDeviceCount();
+    }
+    else if (DeviceInfo->DeviceType == WAVE_IN_DEVICE_TYPE)
+    {
         Result = WdmAudGetWaveInDeviceCount();
-    }
-    else if (DeviceInfo->DeviceType == WAVE_IN_DEVICE_TYPE)
-    {
-        Result = WdmAudGetWaveOutDeviceCount();
     }
     else if (DeviceInfo->DeviceType == MIDI_IN_DEVICE_TYPE)
     {

Modified: trunk/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/legacy/wd...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c	[iso-8859-1] Mon Oct 17 19:03:01 2016
@@ -271,6 +271,12 @@

/* open device interface key */
     Status = IoOpenDeviceInterfaceRegistryKey(&KeyName, GENERIC_READ | GENERIC_WRITE, OutKey);
+
+    if (!NT_SUCCESS(Status))
+    {
+        *OutKey = NULL;
+    }
+
 #if 0
     if (!NT_SUCCESS(Status))
     {