From 4acd1dcad41d154093ca14eb0adf35f4f99bd06a Mon Sep 17 00:00:00 2001
From: Vanfanel <redwindwanderer@gmail.com>
Date: Thu, 18 Mar 2021 14:04:38 +0100
Subject: [PATCH] [KMSDRM] Improve the way to test if last window is being
 destroyed.

---
 src/video/kmsdrm/SDL_kmsdrmvideo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/kmsdrm/SDL_kmsdrmvideo.c b/src/video/kmsdrm/SDL_kmsdrmvideo.c
index 703b8768a..4e4569d58 100644
--- a/src/video/kmsdrm/SDL_kmsdrmvideo.c
+++ b/src/video/kmsdrm/SDL_kmsdrmvideo.c
@@ -1088,7 +1088,7 @@ KMSDRM_DestroyWindow(_THIS, SDL_Window *window)
         KMSDRM_DestroySurfaces(_this, window);
 
         /* Unload library and deinit GBM, but only if this is the last remaining window.*/
-        if (viddata->num_windows < 2) {
+        if ((viddata->num_windows - 1) == 0) {
 
 	    /* Unload EGL/GL library and free egl_data.  */
 	    if (_this->egl_data) {