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seat: add check for NULL keyboard

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Check for a NULL keyboard_state.keyboard value in
seat_client_create_keyboard() before trying to use it, as is done in
other functions like seat_client_send_repeat_info(). Prevents a segfault
in certain situations on keyboard removal, as seen in the sway issue.

Closes: https://github.com/swaywm/sway/issues/5205
Closes: https://github.com/swaywm/wlroots/issues/2073
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r-c-f 2020-04-14 05:12:48 -05:00 committed by GitHub
parent 0281b58d2f
commit f679895c77
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1 changed files with 3 additions and 0 deletions
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types/seat/wlr_seat_keyboard.c
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@ -411,6 +411,9 @@ void seat_client_create_keyboard(struct wlr_seat_client *seat_client,
wl_list_insert(&seat_client->keyboards, wl_resource_get_link(resource));
struct wlr_keyboard *keyboard = seat_client->seat->keyboard_state.keyboard;
if (keyboard == NULL) {
return;
}
seat_client_send_keymap(seat_client, keyboard);
seat_client_send_repeat_info(seat_client, keyboard);