ddraw/tests: Fix a couple of return value checks.

dlls/ddraw/tests/ddraw1.c

@@ -1249,7 +1249,7 @@ static void test_ck_rgba(void)
     ok(SUCCEEDED(hr), "Failed to create destination surface, hr %#x.\n", hr);
     hr = IDirectDrawSurface_QueryInterface(surface, &IID_IDirect3DTexture, (void **)&texture);
     ok(SUCCEEDED(hr), "Failed to get texture interface, hr %#x.\n", hr);
-    IDirect3DTexture_GetHandle(texture, device, &texture_handle);
+    hr = IDirect3DTexture_GetHandle(texture, device, &texture_handle);
     ok(SUCCEEDED(hr), "Failed to get texture handle, hr %#x.\n", hr);
     IDirect3DTexture_Release(texture);
 

dlls/ddraw/tests/ddraw2.c

@@ -1511,7 +1511,7 @@ static void test_ck_rgba(void)
     ok(SUCCEEDED(hr), "Failed to create destination surface, hr %#x.\n", hr);
     hr = IDirectDrawSurface_QueryInterface(surface, &IID_IDirect3DTexture2, (void **)&texture);
     ok(SUCCEEDED(hr), "Failed to get texture interface, hr %#x.\n", hr);
-    IDirect3DTexture2_GetHandle(texture, device, &texture_handle);
+    hr = IDirect3DTexture2_GetHandle(texture, device, &texture_handle);
     ok(SUCCEEDED(hr), "Failed to get texture handle, hr %#x.\n", hr);
     IDirect3DTexture2_Release(texture);
 

dlls/ddraw/tests/ddrawmodes.c

@@ -624,7 +624,7 @@ static void testsurface(void)
     SetBkColor(hdc, RGB(0, 0, 255));
     SetTextColor(hdc, RGB(255, 255, 0));
     TextOut(hdc, 0, 0, testMsg, lstrlen(testMsg));
-    IDirectDrawSurface_ReleaseDC(lpDDSBack, hdc);
+    rc = IDirectDrawSurface_ReleaseDC(lpDDSBack, hdc);
     ok(rc==DD_OK, "IDirectDrawSurface_ReleaseDC returned: %x\n",rc);
 
     while (1)

dlls/ddraw/tests/dsurface.c

@@ -2947,7 +2947,7 @@ static void PaletteTest(void)
     if (FAILED(hr)) goto err;
     /* Read back the palette and verify the entries. Without DDPCAPS_ALLOW256 set
     /  entry 0 and 255 should have been overwritten with black and white */
-    IDirectDrawPalette_GetEntries(palette , 0, 0, 256, &palEntries[0]);
+    hr = IDirectDrawPalette_GetEntries(palette , 0, 0, 256, &palEntries[0]);
     ok(hr == DD_OK, "GetEntries failed with %08x\n", hr);
     if(hr == DD_OK)
     {
@@ -2967,9 +2967,9 @@ static void PaletteTest(void)
 
     /* CreatePalette without DDPCAPS_ALLOW256 ignores entry 0 and 255,
     /  now check we are able to update the entries afterwards. */
-    IDirectDrawPalette_SetEntries(palette , 0, 0, 256, &Table[0]);
+    hr = IDirectDrawPalette_SetEntries(palette , 0, 0, 256, &Table[0]);
     ok(hr == DD_OK, "SetEntries failed with %08x\n", hr);
-    IDirectDrawPalette_GetEntries(palette , 0, 0, 256, &palEntries[0]);
+    hr = IDirectDrawPalette_GetEntries(palette , 0, 0, 256, &palEntries[0]);
     ok(hr == DD_OK, "GetEntries failed with %08x\n", hr);
     if(hr == DD_OK)
     {
@@ -2987,7 +2987,7 @@ static void PaletteTest(void)
     ok(hr == DD_OK, "CreatePalette failed with %08x\n", hr);
     if (FAILED(hr)) goto err;
 
-    IDirectDrawPalette_GetEntries(palette , 0, 0, 256, &palEntries[0]);
+    hr = IDirectDrawPalette_GetEntries(palette , 0, 0, 256, &palEntries[0]);
     ok(hr == DD_OK, "GetEntries failed with %08x\n", hr);
     if(hr == DD_OK)
     {
@@ -3752,7 +3752,7 @@ static void GetDCFormatTest(void)
 
         if(SUCCEEDED(hr))
         {
-            IDirectDrawSurface7_ReleaseDC(surface, dc);
+            hr = IDirectDrawSurface7_ReleaseDC(surface, dc);
             ok(hr == DD_OK, "IDirectDrawSurface7_ReleaseDC failed, hr = 0x%08x\n", hr);
             dc = 0;
         }

dlls/ddraw/tests/visual.c

@@ -234,7 +234,7 @@ static void set_viewport_size(IDirect3DDevice7 *device)
 
     memset(&ddsd, 0, sizeof(ddsd));
     ddsd.dwSize = sizeof(ddsd);
-    IDirectDrawSurface7_GetSurfaceDesc(target, &ddsd);
+    hr = IDirectDrawSurface7_GetSurfaceDesc(target, &ddsd);
     ok(hr == D3D_OK, "IDirectDrawSurface7_GetSurfaceDesc returned %08x\n", hr);
     IDirectDrawSurface7_Release(target);
 
@@ -360,7 +360,7 @@ static void lighting_test(IDirect3DDevice7 *device)
                                                     Indices, 6 /* Indexcount */, 0 /* flags */);
         ok(hr == D3D_OK, "IDirect3DDevice7_DrawIndexedPrimitiveUP failed with %08x\n", hr);
 
-        IDirect3DDevice7_EndScene(device);
+        hr = IDirect3DDevice7_EndScene(device);
         ok(hr == D3D_OK, "IDirect3DDevice7_EndScene failed with %08x\n", hr);
     }