Wayland: Avoid NULL dereference after window destruction (thanks, "x4…

…14e54"!). Fixes Bugzilla #2934.
libsdl-org · May 27, 2015 · 9c34368 · 9c34368
1 parent 7f17e0a
commit 9c34368
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/video/wayland/SDL_waylandevents.c b/src/video/wayland/SDL_waylandevents.c
@@ -293,6 +293,12 @@ keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
                       struct wl_array *keys)
 {
     struct SDL_WaylandInput *input = data;
+
+    if (!surface) {
+        /* enter event for a window we've just destroyed */
+        return;
+    }
+
     SDL_WindowData *window = wl_surface_get_user_data(surface);
 
     input->keyboard_focus = window;