diff options
-rw-r--r-- | sway/tree/container.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sway/tree/container.c b/sway/tree/container.c index 435d71e2..45e54080 100644 --- a/sway/tree/container.c +++ b/sway/tree/container.c @@ -769,7 +769,7 @@ void container_for_each_descendant(struct sway_container *container, bool container_has_ancestor(struct sway_container *descendant, struct sway_container *ancestor) { - while (descendant->type != C_ROOT) { + while (descendant && descendant->type != C_ROOT) { descendant = descendant->parent; if (descendant == ancestor) { return true; |