From c3ebc387f38815748bbc1b01199baa9ea44eb04a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Bernon?= <rbernon@codeweavers.com>
Date: Tue, 22 Aug 2023 17:51:00 +0200
Subject: [PATCH] dmband: Always return S_FALSE from DllCanUnloadNow.

---
 dlls/dmband/band.c           |  2 --
 dlls/dmband/bandtrack.c      |  2 --
 dlls/dmband/dmband_main.c    | 22 ----------------------
 dlls/dmband/dmband_private.h |  8 --------
 4 files changed, 34 deletions(-)

diff --git a/dlls/dmband/band.c b/dlls/dmband/band.c
index d71863a1f9d..907377ebed5 100644
--- a/dlls/dmband/band.c
+++ b/dlls/dmband/band.c
@@ -83,7 +83,6 @@ static ULONG WINAPI IDirectMusicBandImpl_Release(IDirectMusicBand *iface)
 
     if (!ref) {
         HeapFree(GetProcessHeap(), 0, This);
-        DMBAND_UnlockModule();
     }
 
     return ref;
@@ -527,7 +526,6 @@ HRESULT create_dmband(REFIID lpcGUID, void **ppobj)
   obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
   list_init (&obj->Instruments);
 
-  DMBAND_LockModule();
   hr = IDirectMusicBand_QueryInterface(&obj->IDirectMusicBand_iface, lpcGUID, ppobj);
   IDirectMusicBand_Release(&obj->IDirectMusicBand_iface);
 
diff --git a/dlls/dmband/bandtrack.c b/dlls/dmband/bandtrack.c
index 0142b5b5188..25aca207612 100644
--- a/dlls/dmband/bandtrack.c
+++ b/dlls/dmband/bandtrack.c
@@ -82,7 +82,6 @@ static ULONG WINAPI band_track_Release(IDirectMusicTrack8 *iface)
 
     if (!ref) {
         HeapFree(GetProcessHeap(), 0, This);
-        DMBAND_UnlockModule();
     }
 
     return ref;
@@ -650,7 +649,6 @@ HRESULT create_dmbandtrack(REFIID lpcGUID, void **ppobj)
     track->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
     list_init (&track->Bands);
 
-    DMBAND_LockModule();
     hr = IDirectMusicTrack8_QueryInterface(&track->IDirectMusicTrack8_iface, lpcGUID, ppobj);
     IDirectMusicTrack8_Release(&track->IDirectMusicTrack8_iface);
 
diff --git a/dlls/dmband/dmband_main.c b/dlls/dmband/dmband_main.c
index c08f8b0a087..c032a931f31 100644
--- a/dlls/dmband/dmband_main.c
+++ b/dlls/dmband/dmband_main.c
@@ -23,8 +23,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(dmband);
 
-LONG DMBAND_refCount = 0;
-
 typedef struct {
         IClassFactory IClassFactory_iface;
         HRESULT (*fnCreateInstance)(REFIID riid, void **ret_iface);
@@ -60,15 +58,11 @@ static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID r
 
 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 {
-        DMBAND_LockModule();
-
         return 2; /* non-heap based object */
 }
 
 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 {
-        DMBAND_UnlockModule();
-
         return 1; /* non-heap based object */
 }
 
@@ -90,12 +84,6 @@ static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown
 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL dolock)
 {
         TRACE("(%d)\n", dolock);
-
-        if (dolock)
-                DMBAND_LockModule();
-        else
-                DMBAND_UnlockModule();
-
         return S_OK;
 }
 
@@ -110,16 +98,6 @@ static const IClassFactoryVtbl classfactory_vtbl = {
 static IClassFactoryImpl Band_CF = {{&classfactory_vtbl}, create_dmband};
 static IClassFactoryImpl BandTrack_CF = {{&classfactory_vtbl}, create_dmbandtrack};
 
-/******************************************************************
- *		DllCanUnloadNow (DMBAND.@)
- *
- *
- */
-HRESULT WINAPI DllCanUnloadNow(void)
-{
-	return DMBAND_refCount != 0 ? S_FALSE : S_OK;
-}
-
 
 /******************************************************************
  *		DllGetClassObject (DMBAND.@)
diff --git a/dlls/dmband/dmband_private.h b/dlls/dmband/dmband_private.h
index b89dd08dd83..0b1807eaf93 100644
--- a/dlls/dmband/dmband_private.h
+++ b/dlls/dmband/dmband_private.h
@@ -73,14 +73,6 @@ typedef struct _DMUS_PRIVATE_BAND {
 	IDirectMusicBand *band;
 } DMUS_PRIVATE_BAND, *LPDMUS_PRIVATE_BAND;
 
-
-/**********************************************************************
- * Dll lifetime tracking declaration for dmband.dll
- */
-extern LONG DMBAND_refCount;
-static inline void DMBAND_LockModule(void) { InterlockedIncrement( &DMBAND_refCount ); }
-static inline void DMBAND_UnlockModule(void) { InterlockedDecrement( &DMBAND_refCount ); }
-
 /*****************************************************************************
  * Misc.
  */