Robert Reif : dsound: Fix duplex create bug.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: 919ee6b699815f9d105184462643222a7bb67221
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=919ee6b699815f9d105184462643222a7bb67221

Author: Robert Reif <reif at earthlink.net>
Date:   Mon Feb 27 07:34:01 2006 -0500

dsound: Fix duplex create bug.

---

 dlls/dsound/duplex.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/dlls/dsound/duplex.c b/dlls/dsound/duplex.c
index 7ba0eb6..3a10bab 100644
--- a/dlls/dsound/duplex.c
+++ b/dlls/dsound/duplex.c
@@ -258,6 +258,12 @@ HRESULT IDirectSoundFullDuplex_IDirectSo
         return DSERR_INVALIDPARAM;
     }
 
+    if (((IDirectSoundFullDuplexImpl*)pdsfd)->renderer_device == NULL) {
+        WARN("not initialized\n");
+        *ppds = NULL;
+        return DSERR_UNINITIALIZED;
+    }
+
     pdsfdds = HeapAlloc(GetProcessHeap(),0,sizeof(*pdsfdds));
     if (pdsfdds == NULL) {
         WARN("out of memory\n");
@@ -417,6 +423,12 @@ HRESULT IDirectSoundFullDuplex_IDirectSo
         return DSERR_INVALIDPARAM;
     }
 
+    if (((IDirectSoundFullDuplexImpl*)pdsfd)->renderer_device == NULL) {
+        WARN("not initialized\n");
+        *ppds8 = NULL;
+        return DSERR_UNINITIALIZED;
+    }
+
     pdsfdds8 = HeapAlloc(GetProcessHeap(),0,sizeof(*pdsfdds8));
     if (pdsfdds8 == NULL) {
         WARN("out of memory\n");
@@ -525,6 +537,12 @@ HRESULT IDirectSoundFullDuplex_IDirectSo
         return DSERR_INVALIDPARAM;
     }
 
+    if (((IDirectSoundFullDuplexImpl*)pdsfd)->capture_device == NULL) {
+        WARN("not initialized\n");
+        *ppdsc8 = NULL;
+        return DSERR_UNINITIALIZED;
+    }
+
     pdsfddsc = HeapAlloc(GetProcessHeap(),0,sizeof(*pdsfddsc));
     if (pdsfddsc == NULL) {
         WARN("out of memory\n");
@@ -774,6 +792,8 @@ HRESULT DSOUND_FullDuplexCreate(LPDIRECT
     This->capture_device = NULL;
     This->renderer_device = NULL;
 
+    *ppDSFD = (LPDIRECTSOUNDFULLDUPLEX)This;
+
     return DS_OK;
 }