Bernhard Loos : winealsa.drv: If there are no devices, there is also no default device.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 366f54110a54b2a14c851ef35a4e2de64a388da2
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=366f54110a54b2a14c851ef35a4e2de64a388da2

Author: Bernhard Loos <bernhardloos at googlemail.com>
Date:   Fri Sep  9 15:49:16 2011 +0200

winealsa.drv: If there are no devices, there is also no default device.

---

 dlls/winealsa.drv/mmdevdrv.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/dlls/winealsa.drv/mmdevdrv.c b/dlls/winealsa.drv/mmdevdrv.c
index 0c47876..1d1ce6f 100644
--- a/dlls/winealsa.drv/mmdevdrv.c
+++ b/dlls/winealsa.drv/mmdevdrv.c
@@ -390,6 +390,13 @@ HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, char ***keys,
     if(FAILED(hr))
         return hr;
 
+    if(*num == 0)
+    {
+        *ids = NULL;
+        *keys = NULL;
+        return S_OK;
+    }
+
     *ids = HeapAlloc(GetProcessHeap(), 0, (*num + 1) * sizeof(WCHAR *));
     *keys = HeapAlloc(GetProcessHeap(), 0, (*num + 1) * sizeof(char *));
     if(!*ids || !*keys){