Eric Pouech : winenas: fix crash.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: 65a1796bc7fa1bd136c01222ef58198b4662839a
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=65a1796bc7fa1bd136c01222...

Author: Eric Pouech 
Date:   Thu Dec  8 11:58:35 2005 +0100

winenas: fix crash.
- return correct MM error code when no connection to server has been
  opened
- don't close the AU driver if it hasn't been opened

---

dlls/winmm/winenas/audio.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/dlls/winmm/winenas/audio.c b/dlls/winmm/winenas/audio.c
index 95be4c3..248a42e 100644
--- a/dlls/winmm/winenas/audio.c
+++ b/dlls/winmm/winenas/audio.c
@@ -407,7 +407,7 @@ LONG		NAS_WaveClose(void)
 LONG NAS_WaveInit(void)
 {
     int 	i;
-    nas_init();
+    if (!nas_init()) return MMSYSERR_ERROR;

/* initialize all device handles to -1 */
     for (i = 0; i < MAX_WAVEOUTDRV; ++i)
@@ -1475,8 +1475,11 @@ static int nas_close(WINE_WAVEOUT* wwo)

static int nas_end(void)
 {
-  AuCloseServer(AuServ);
-  AuServ = 0;
+  if (AuServ)
+  {
+    AuCloseServer(AuServ);
+    AuServ = 0;
+  }
   return 1;
 }