Henri Verbeet : wined3d: Only clear "map_ptr" if the memory was unmapped in wined3d_allocator_chunk_vk_unmap().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4e7be889904152183b349d5e33d862fe659c1806
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=4e7be889904152183b349d5e33d862fe659c1806

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Mon Dec 14 18:15:20 2020 +0330

wined3d: Only clear "map_ptr" if the memory was unmapped in wined3d_allocator_chunk_vk_unmap().

Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wined3d/context_vk.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/context_vk.c b/dlls/wined3d/context_vk.c
index 66f5109dc87..1b937dd3b21 100644
--- a/dlls/wined3d/context_vk.c
+++ b/dlls/wined3d/context_vk.c
@@ -277,8 +277,10 @@ void wined3d_allocator_chunk_vk_unmap(struct wined3d_allocator_chunk_vk *chunk_v
 
     TRACE("chunk_vk %p, context_vk %p.\n", chunk_vk, context_vk);
 
-    if (!--chunk_vk->c.map_count)
-        VK_CALL(vkUnmapMemory(device_vk->vk_device, chunk_vk->vk_memory));
+    if (--chunk_vk->c.map_count)
+        return;
+
+    VK_CALL(vkUnmapMemory(device_vk->vk_device, chunk_vk->vk_memory));
     chunk_vk->c.map_ptr = NULL;
 }