[PATCH 3/6] vt: invoke notifier on screen size change

Nicolas Pitre
2019-01-09T03:55:52Z

User space using poll() on /dev/vcs devices are not awaken when a
screen size change occurs. Let's fix that.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
---
drivers/tty/vt/vt.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 5b8b0e33f9..bba75560d1 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1272,6 +1272,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
if (con_is_visible(vc))
update_screen(vc);
vt_event_post(VT_EVENT_RESIZE, vc->vc_num, vc->vc_num);
+ notify_update(vc);
return err;
}

--
2.20.1