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author | Ryan Dwyer <ryandwyer1@gmail.com> | 2018-10-03 22:09:20 +1000 |
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committer | Ryan Dwyer <ryandwyer1@gmail.com> | 2018-10-03 22:09:20 +1000 |
commit | 5dd535b67a985c7751d1dc351528f0194c33458a (patch) | |
tree | 28313c7030ce4d6b01d67dbfff77c34bae76ddf5 | |
parent | Remove HACKING.md (diff) | |
download | sway-5dd535b67a985c7751d1dc351528f0194c33458a.tar.gz sway-5dd535b67a985c7751d1dc351528f0194c33458a.tar.zst sway-5dd535b67a985c7751d1dc351528f0194c33458a.zip |
Add sanity check for empty focus stack
-rw-r--r-- | sway/input/seat.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sway/input/seat.c b/sway/input/seat.c index e10b6409..69bee47e 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) { | |||
952 | if (!seat->has_focus) { | 952 | if (!seat->has_focus) { |
953 | return NULL; | 953 | return NULL; |
954 | } | 954 | } |
955 | if (wl_list_length(&seat->focus_stack) == 0) { | ||
956 | return NULL; | ||
957 | } | ||
955 | struct sway_seat_node *current = | 958 | struct sway_seat_node *current = |
956 | wl_container_of(seat->focus_stack.next, current, link); | 959 | wl_container_of(seat->focus_stack.next, current, link); |
957 | return current->node; | 960 | return current->node; |