Andrew Eikum : mmdevapi: Don't crash if a driver fails to load.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f50829c36e389d1fae176a53ec6e4a050ba3f9e4
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=f50829c36e389d1fae176a53ec6e4a050ba3f9e4

Author: Andrew Eikum <aeikum at codeweavers.com>
Date:   Fri Jun 17 15:49:51 2011 -0500

mmdevapi: Don't crash if a driver fails to load.

---

 dlls/mmdevapi/devenum.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/dlls/mmdevapi/devenum.c b/dlls/mmdevapi/devenum.c
index f8ec363..7acc3f6 100644
--- a/dlls/mmdevapi/devenum.c
+++ b/dlls/mmdevapi/devenum.c
@@ -824,6 +824,9 @@ HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
 {
     MMDevEnumImpl *This = MMDevEnumerator;
 
+    if(!drvs.pGetAudioEndpoint)
+        return AUDCLNT_E_SERVICE_NOT_RUNNING;
+
     if (!This)
     {
         This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));