From 7c693e808cab51bb773975af9f6aba6ba8adb0ab Mon Sep 17 00:00:00 2001
From: krickw <william.krick@autodesk.com>
Date: Thu, 31 Mar 2022 10:40:05 -0400
Subject: [PATCH] When instance colors is nullptr don't get the length.

---
 lib/mayaUsd/render/vp2RenderDelegate/mesh.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mayaUsd/render/vp2RenderDelegate/mesh.cpp b/lib/mayaUsd/render/vp2RenderDelegate/mesh.cpp
index d7ec83c457..25224ba357 100644
--- a/lib/mayaUsd/render/vp2RenderDelegate/mesh.cpp
+++ b/lib/mayaUsd/render/vp2RenderDelegate/mesh.cpp
@@ -2518,7 +2518,7 @@ void HdVP2Mesh::_UpdateDrawItem(
                     TF_VERIFY(result == MStatus::kSuccess);
                 }
 
-                if (stateToCommit._instanceColors->length() > 0) {
+                if (stateToCommit._instanceColors && stateToCommit._instanceColors->length() > 0) {
                     TF_VERIFY(
                         newInstanceCount * kNumColorChannels
                         == stateToCommit._instanceColors->length());