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Add sanity check for empty focus stack

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This commit is contained in:
Ryan Dwyer 2018-10-03 22:09:20 +10:00
parent 54a835e962
commit 5dd535b67a
1 changed files with 3 additions and 0 deletions
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3
sway/input/seat.c
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@ -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;