d3d11: Check parameter in ID3D11Device CreateRenderTargetView.

dlls/d3d11/device.c

@@ -2223,6 +2223,9 @@ static HRESULT STDMETHODCALLTYPE d3d11_device_CreateRenderTargetView(ID3D11Devic
 
     TRACE("iface %p, resource %p, desc %p, view %p.\n", iface, resource, desc, view);
 
+    if (!resource)
+        return E_INVALIDARG;
+
     if (FAILED(hr = d3d_rendertarget_view_create(device, resource, desc, &object)))
         return hr;
 

dlls/d3d11/tests/d3d11.c

@@ -2979,6 +2979,9 @@ static void test_create_rendertarget_view(void)
     U(rtv_desc).Buffer.ElementOffset = 0;
     U(rtv_desc).Buffer.ElementWidth = 64;
 
+    hr = ID3D11Device_CreateRenderTargetView(device, NULL, &rtv_desc, &rtview);
+    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
+
     expected_refcount = get_refcount((IUnknown *)device) + 1;
     hr = ID3D11Device_CreateRenderTargetView(device, (ID3D11Resource *)buffer, &rtv_desc, &rtview);
     ok(SUCCEEDED(hr), "Failed to create a rendertarget view, hr %#x.\n", hr);