From fa8b596a910d5f0040b084d777ae3e80eaca49f3 Mon Sep 17 00:00:00 2001
From: Jeremy Kniager <jeremyk@lunarg.com>
Date: Mon, 23 Apr 2018 16:55:00 -0600
Subject: layers: Add handling for NULL in core post call

Added handling in
PostCallRecordGetImageSparseMemoryRequirements2
when a nullptr is passed to 'reqs'

Change-Id: I444ec733d4a172329aceb0fcbb68568700b8f535
---
 layers/core_validation.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index 0e4c4a09..265ff598 100644
--- a/layers/core_validation.cpp
+++ b/layers/core_validation.cpp
@@ -4150,6 +4150,10 @@ VKAPI_ATTR void VKAPI_CALL GetImageSparseMemoryRequirements(VkDevice device, VkI
 
 static void PostCallRecordGetImageSparseMemoryRequirements2(IMAGE_STATE *image_state, uint32_t req_count,
                                                             VkSparseImageMemoryRequirements2KHR *reqs) {
+    // reqs is empty, so there is nothing to loop over and read.
+    if (reqs == nullptr) {
+        return;
+    }
     std::vector<VkSparseImageMemoryRequirements> sparse_reqs(req_count);
     // Migrate to old struct type for common handling with GetImageSparseMemoryRequirements()
     for (uint32_t i = 0; i < req_count; ++i) {
-- 
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