[PATCH 1/2] winevulkan: Check for NULL in vkDestroyDebugUtilsMessengerEXT.

[Georg Lehmann]

Signed-off-by: Georg Lehmann 
---
 dlls/winevulkan/vulkan.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/winevulkan/vulkan.c b/dlls/winevulkan/vulkan.c
index b0a8559fe2c..47f06f32bc3 100644
--- a/dlls/winevulkan/vulkan.c
+++ b/dlls/winevulkan/vulkan.c
@@ -1860,6 +1860,9 @@ void WINAPI wine_vkDestroyDebugUtilsMessengerEXT(

TRACE("%p, 0x%s, %p\n", instance, wine_dbgstr_longlong(messenger), allocator);

+    if (!messenger)
+        return;
+
     object = wine_debug_utils_messenger_from_handle(messenger);

instance->funcs.p_vkDestroyDebugUtilsMessengerEXT(instance->instance, object->debug_messenger, NULL);