source/blender/render/hydra/scene_delegate/curves.cc

@@ -69,17 +69,16 @@ void CurvesData::update()
 
 pxr::VtValue CurvesData::get_data(pxr::SdfPath const &id, pxr::TfToken const &key) const
 {
-  pxr::VtValue ret;
   if (key == pxr::HdTokens->points) {
-    ret = vertices_;
+    return pxr::VtValue(vertices_);
   }
   else if (key == pxr::HdPrimvarRoleTokens->textureCoordinate) {
-    ret = uvs_;
+    return pxr::VtValue(uvs_);
   }
   else if (key == pxr::HdTokens->widths) {
-    ret = widths_;
+    return pxr::VtValue(widths_);
   }
-  return ret;
+  return pxr::VtValue();
 }
 
 bool CurvesData::update_visibility()

source/blender/render/hydra/scene_delegate/instancer.cc

@@ -102,11 +102,10 @@ void InstancerData::update()
 pxr::VtValue InstancerData::get_data(pxr::TfToken const &key) const
 {
   ID_LOG(3, "%s", key.GetText());
-  pxr::VtValue ret;
   if (key == pxr::HdInstancerTokens->instanceTransform) {
-    ret = mesh_transforms_;
+    return pxr::VtValue(mesh_transforms_);
   }
-  return ret;
+  return pxr::VtValue();
 }
 
 bool InstancerData::update_visibility()

source/blender/render/hydra/scene_delegate/light.cc

@@ -138,23 +138,22 @@ void LightData::update()
 
 pxr::VtValue LightData::get_data(pxr::TfToken const &key) const
 {
-  pxr::VtValue ret;
   auto it = data_.find(key);
   if (it != data_.end()) {
-    ret = it->second;
+    return pxr::VtValue(it->second);
   }
   else {
     std::string n = key.GetString();
     if (boost::algorithm::contains(n, "object:visibility:")) {
       if (boost::algorithm::ends_with(n, "camera") || boost::algorithm::ends_with(n, "shadow")) {
-        ret = false;
+        return pxr::VtValue(false);
       }
       else {
-        ret = true;
+        return pxr::VtValue(true);
       }
     }
   }
-  return ret;
+  return pxr::VtValue();
 }
 
 bool LightData::update_visibility()
@@ -169,38 +168,32 @@ bool LightData::update_visibility()
 
 pxr::TfToken LightData::prim_type(Light *light)
 {
-  pxr::TfToken ret;
   switch (light->type) {
     case LA_LOCAL:
     case LA_SPOT:
-      ret = pxr::HdPrimTypeTokens->sphereLight;
-      break;
+      return pxr::TfToken(pxr::HdPrimTypeTokens->sphereLight);
 
     case LA_SUN:
-      ret = pxr::HdPrimTypeTokens->distantLight;
-      break;
+      return pxr::TfToken(pxr::HdPrimTypeTokens->distantLight);
 
     case LA_AREA:
       switch (light->area_shape) {
         case LA_AREA_SQUARE:
         case LA_AREA_RECT:
-          ret = pxr::HdPrimTypeTokens->rectLight;
-          break;
+          return pxr::TfToken(pxr::HdPrimTypeTokens->rectLight);
 
         case LA_AREA_DISK:
         case LA_AREA_ELLIPSE:
-          ret = pxr::HdPrimTypeTokens->diskLight;
-          break;
+          return pxr::TfToken(pxr::HdPrimTypeTokens->diskLight);
 
         default:
-          ret = pxr::HdPrimTypeTokens->rectLight;
+          return pxr::TfToken(pxr::HdPrimTypeTokens->rectLight);
       }
       break;
 
     default:
-      ret = pxr::HdPrimTypeTokens->sphereLight;
+      return pxr::TfToken(pxr::HdPrimTypeTokens->sphereLight);
   }
-  return ret;
 }
 
 }  // namespace blender::render::hydra

source/blender/render/hydra/scene_delegate/material.cc

@@ -74,14 +74,13 @@ void MaterialData::update()
 
 pxr::VtValue MaterialData::get_data(pxr::TfToken const &key) const
 {
-  pxr::VtValue ret;
   if (key == scene_delegate_->settings.mx_filename_key) {
-    if (!mtlx_path_.GetResolvedPath().empty()) {
-      ret = mtlx_path_;
-    }
     ID_LOG(3, "%s", key.GetText());
+    if (!mtlx_path_.GetResolvedPath().empty()) {
+      return pxr::VtValue(mtlx_path_);
     }
-  return ret;
+  }
+  return pxr::VtValue();
 }
 
 pxr::VtValue MaterialData::get_material_resource() const

source/blender/render/hydra/scene_delegate/mesh.cc

@@ -86,17 +86,16 @@ void MeshData::update()
 
 pxr::VtValue MeshData::get_data(pxr::SdfPath const &id, pxr::TfToken const &key) const
 {
-  pxr::VtValue ret;
   if (key == pxr::HdTokens->points) {
-    ret = vertices_;
+    return pxr::VtValue(vertices_);
   }
   else if (key == pxr::HdTokens->normals) {
-    ret = submesh(id).normals;
+    return pxr::VtValue(submesh(id).normals);
   }
   else if (key == pxr::HdPrimvarRoleTokens->textureCoordinate) {
-    ret = submesh(id).uvs;
+    return pxr::VtValue(submesh(id).uvs);
   }
-  return ret;
+  return pxr::VtValue();
 }
 
 bool MeshData::update_visibility()

source/blender/render/hydra/scene_delegate/world.cc

@@ -131,12 +131,11 @@ void WorldData::update(World *world)
 
 pxr::VtValue WorldData::get_data(pxr::TfToken const &key) const
 {
-  pxr::VtValue ret;
   auto it = data_.find(key);
   if (it != data_.end()) {
-    ret = it->second;
+    return pxr::VtValue(it->second);
   }
-  return ret;
+  return pxr::VtValue();
 }
 
 void WorldData::write_transform()