From 5dd535b67a985c7751d1dc351528f0194c33458a Mon Sep 17 00:00:00 2001 From: Ryan Dwyer Date: Wed, 3 Oct 2018 22:09:20 +1000 Subject: [PATCH] Add sanity check for empty focus stack --- sway/input/seat.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sway/input/seat.c b/sway/input/seat.c index e10b64099..69bee47ec 100644 --- a/sway/input/seat.c +++ b/sway/input/seat.c @@ -952,6 +952,9 @@ struct sway_node *seat_get_focus(struct sway_seat *seat) { if (!seat->has_focus) { return NULL; } + if (wl_list_length(&seat->focus_stack) == 0) { + return NULL; + } struct sway_seat_node *current = wl_container_of(seat->focus_stack.next, current, link); return current->node;