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-rw-r--r--types/scene/output_layout.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/types/scene/output_layout.c b/types/scene/output_layout.c
index ffe0d3ec..42683f88 100644
--- a/types/scene/output_layout.c
+++ b/types/scene/output_layout.c
@@ -73,7 +73,12 @@ void wlr_scene_output_layout_add_output(struct wlr_scene_output_layout *sol,
struct wlr_output_layout_output *lo, struct wlr_scene_output *so) {
assert(lo->output == so->output);
- struct wlr_scene_output_layout_output *solo = calloc(1, sizeof(*solo));
+ struct wlr_scene_output_layout_output *solo;
+ wl_list_for_each(solo, &sol->outputs, link) {
+ assert(solo->scene_output != so);
+ }
+
+ solo = calloc(1, sizeof(*solo));
if (solo == NULL) {
return;
}