Georg Lehmann : winevulkan: Fix vkDestroyDebugUtilsMessengerEXT with NULL object.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ffd58f6275101bcf7bc5ef5bd433123460ad0f4f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=ffd58f6275101bcf7bc5ef5bd433123460ad0f4f

Author: Georg Lehmann <dadschoorse at gmail.com>
Date:   Wed Feb  3 21:13:34 2021 +0100

winevulkan: Fix vkDestroyDebugUtilsMessengerEXT with NULL object.

Signed-off-by: Georg Lehmann <dadschoorse at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/winevulkan/vulkan.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/winevulkan/vulkan.c b/dlls/winevulkan/vulkan.c
index 2a503a7430d..640b3ee7b67 100644
--- a/dlls/winevulkan/vulkan.c
+++ b/dlls/winevulkan/vulkan.c
@@ -1940,6 +1940,9 @@ void WINAPI wine_vkDestroyDebugUtilsMessengerEXT(
 
     object = wine_debug_utils_messenger_from_handle(messenger);
 
+    if (!object)
+        return;
+
     instance->funcs.p_vkDestroyDebugUtilsMessengerEXT(instance->instance, object->debug_messenger, NULL);
     WINE_VK_REMOVE_HANDLE_MAPPING(instance, object);