From: Johannes Anderwald <johannes.anderwald@reactos.org>
Date: Mon, 17 Oct 2016 19:03:01 +0000 (+0000)
Subject: [WDMAUD]
X-Git-Tag: ReactOS-0.4.3~76
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=cad3120307f4b978b02b6156270f67a0a245f4f5;hp=39544b234bd1996d53a43fc6175a7b5b46ad9bb5

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

svn path=/trunk/; revision=72979
---

diff --git a/reactos/drivers/wdm/audio/legacy/wdmaud/control.c b/reactos/drivers/wdm/audio/legacy/wdmaud/control.c
index 4fa7c54e2ed..8e80404dc3d 100644
--- a/reactos/drivers/wdm/audio/legacy/wdmaud/control.c
+++ b/reactos/drivers/wdm/audio/legacy/wdmaud/control.c
@@ -55,11 +55,11 @@ WdmAudControlDeviceType(
     }
     else if (DeviceInfo->DeviceType == WAVE_OUT_DEVICE_TYPE)
     {
-        Result = WdmAudGetWaveInDeviceCount();
+        Result = WdmAudGetWaveOutDeviceCount();
     }
     else if (DeviceInfo->DeviceType == WAVE_IN_DEVICE_TYPE)
     {
-        Result = WdmAudGetWaveOutDeviceCount();
+        Result = WdmAudGetWaveInDeviceCount();
     }
     else if (DeviceInfo->DeviceType == MIDI_IN_DEVICE_TYPE)
     {
diff --git a/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c b/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
index deafa02aa40..2d8dbd8fb4f 100644
--- a/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
+++ b/reactos/drivers/wdm/audio/legacy/wdmaud/mmixer.c
@@ -271,6 +271,12 @@ Enum(
 
     /* open device interface key */
     Status = IoOpenDeviceInterfaceRegistryKey(&KeyName, GENERIC_READ | GENERIC_WRITE, OutKey);
+
+    if (!NT_SUCCESS(Status))
+    {
+        *OutKey = NULL;
+    }
+
 #if 0
     if (!NT_SUCCESS(Status))
     {