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kiosk-shell: ignore additional seats

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As kiosk-shell can't cope with multiple seat add a warning and avoid
creating any new seats. With it, this guards against potentially
receiving an invalid seat.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
This commit is contained in:
Marius Vlad 2021-11-02 13:41:30 +02:00
parent 79cf52e556
commit f886311353
1 changed files with 12 additions and 1 deletions
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13
kiosk-shell/kiosk-shell.c
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@ -57,9 +57,14 @@ get_kiosk_shell_seat(struct weston_seat *seat)
{
struct wl_listener *listener;
if (!seat)
return NULL;
listener = wl_signal_get(&seat->destroy_signal,
kiosk_shell_seat_handle_destroy);
assert(listener != NULL);
if (!listener)
return NULL;
return container_of(listener,
struct kiosk_shell_seat, seat_destroy_listener);
@ -443,6 +448,12 @@ kiosk_shell_seat_create(struct kiosk_shell *shell, struct weston_seat *seat)
{
struct kiosk_shell_seat *shseat;
if (wl_list_length(&shell->seat_list) > 0) {
weston_log("WARNING: multiple seats detected. kiosk-shell "
"can not handle multiple seats!\n");
return NULL;
}
shseat = zalloc(sizeof *shseat);
if (!shseat) {
weston_log("no memory to allocate shell seat\n");