dmstyle: IDirectMusicTrack GetParam add pointer check.

dlls/dmstyle/auditiontrack.c

@@ -123,6 +123,10 @@ static HRESULT WINAPI IDirectMusicTrack8Impl_GetParam(IDirectMusicTrack8 *iface,
 {
     IDirectMusicAuditionTrack *This = impl_from_IDirectMusicTrack8(iface);
     FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
+
+    if (!rguidType)
+        return E_POINTER;
+
     return S_OK;
 }
 

dlls/dmstyle/chordtrack.c

@@ -126,6 +126,10 @@ static HRESULT WINAPI IDirectMusicTrack8Impl_GetParam(IDirectMusicTrack8 *iface,
 {
     IDirectMusicChordTrack *This = impl_from_IDirectMusicTrack8(iface);
     FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
+
+    if (!rguidType)
+        return E_POINTER;
+
     return S_OK;
 }
 

dlls/dmstyle/commandtrack.c

@@ -125,6 +125,10 @@ static HRESULT WINAPI IDirectMusicTrack8Impl_GetParam(IDirectMusicTrack8 *iface,
 {
     IDirectMusicCommandTrack *This = impl_from_IDirectMusicTrack8(iface);
     FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
+
+    if (!rguidType)
+        return E_POINTER;
+
     return S_OK;
 }
 

dlls/dmstyle/motiftrack.c

@@ -123,6 +123,10 @@ static HRESULT WINAPI IDirectMusicTrack8Impl_GetParam(IDirectMusicTrack8 *iface,
 {
     IDirectMusicMotifTrack *This = impl_from_IDirectMusicTrack8(iface);
     FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
+
+    if (!rguidType)
+        return E_POINTER;
+
     return S_OK;
 }
 

dlls/dmstyle/mutetrack.c

@@ -123,6 +123,10 @@ static HRESULT WINAPI IDirectMusicTrack8Impl_GetParam(IDirectMusicTrack8 *iface,
 {
     IDirectMusicMuteTrack *This = impl_from_IDirectMusicTrack8(iface);
     FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
+
+    if (!rguidType)
+        return E_POINTER;
+
     return S_OK;
 }
 

dlls/dmstyle/styletrack.c

@@ -125,6 +125,10 @@ static HRESULT WINAPI IDirectMusicTrack8Impl_GetParam(IDirectMusicTrack8 *iface,
 {
     IDirectMusicStyleTrack *This = impl_from_IDirectMusicTrack8(iface);
     FIXME("(%p, %s, %d, %p, %p): stub\n", This, debugstr_dmguid(rguidType), mtTime, pmtNext, pParam);
+
+    if (!rguidType)
+        return E_POINTER;
+
     return S_OK;
 }
 

dlls/dmstyle/tests/dmstyle.c

@@ -279,12 +279,12 @@ static void test_track(void)
             else
                 todo_wine ok(hr == E_POINTER, "IDirectMusicTrack8_InitPlay failed: %08x\n", hr);
         }
-        todo_wine {
+
         hr = IDirectMusicTrack8_GetParam(dmt8, NULL, 0, NULL, NULL);
         ok(hr == E_POINTER, "IDirectMusicTrack8_GetParam failed: %08x\n", hr);
         hr = IDirectMusicTrack8_SetParam(dmt8, NULL, 0, NULL);
-        ok(hr == E_POINTER, "IDirectMusicTrack8_SetParam failed: %08x\n", hr);
-        }
+        todo_wine ok(hr == E_POINTER, "IDirectMusicTrack8_SetParam failed: %08x\n", hr);
+
         hr = IDirectMusicTrack8_IsParamSupported(dmt8, NULL);
         ok(hr == E_POINTER, "IDirectMusicTrack8_IsParamSupported failed: %08x\n", hr);
         if (class[i].clsid == &CLSID_DirectMusicMuteTrack) {