layers: Add handling for NULL in core post call

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

Change-Id: I444ec733d4a172329aceb0fcbb68568700b8f535

1 files changed, 4 insertions, 0 deletions

diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index 0e4c4a0..265ff59 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) {