From 2e980353d2e85820b259fac1038a0a02675df714 Mon Sep 17 00:00:00 2001
From: Giovanni Mascellani <gmascellani@codeweavers.com>
Date: Fri, 12 Feb 2021 08:36:58 +0100
Subject: [PATCH] anv: Allow null handle in DestroyDescriptorUpdateTemplate.

By the Vulkan specification, and similarly to many other Vulkan calls,
it is allowed to destroy a null descriptor update template.

Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Fixes: af5f13e58c9dfe ("anv: add VK_KHR_descriptor_update_template support")
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9005>
(cherry picked from commit 72b8e643b0232dfcdcbc9f071c410653bc10d079)
---
 .pick_status.json                     | 2 +-
 src/intel/vulkan/anv_descriptor_set.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/.pick_status.json b/.pick_status.json
index e2b254b4be7..12904f71f0e 100644
--- a/.pick_status.json
+++ b/.pick_status.json
@@ -3478,7 +3478,7 @@
         "description": "anv: Allow null handle in DestroyDescriptorUpdateTemplate.",
         "nominated": true,
         "nomination_type": 1,
-        "resolution": 0,
+        "resolution": 1,
         "master_sha": null,
         "because_sha": "af5f13e58c9dfe3a54487a3b002370c1edd39cf3"
     },
diff --git a/src/intel/vulkan/anv_descriptor_set.c b/src/intel/vulkan/anv_descriptor_set.c
index e3895a77234..a8d91b36ed0 100644
--- a/src/intel/vulkan/anv_descriptor_set.c
+++ b/src/intel/vulkan/anv_descriptor_set.c
@@ -1805,6 +1805,9 @@ void anv_DestroyDescriptorUpdateTemplate(
    ANV_FROM_HANDLE(anv_descriptor_update_template, template,
                    descriptorUpdateTemplate);
 
+   if (!template)
+      return;
+
    vk_object_base_finish(&template->base);
    vk_free2(&device->vk.alloc, pAllocator, template);
 }