4.20-stable review patch. If anyone has any objections, please let me know.
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From: Nicolas Pitre nicolas.pitre@linaro.org
commit 0c9b1965faddad7534b6974b5b36c4ad37998f8e upstream.
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 Cc: stable stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/tty/vt/vt.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1272,6 +1272,7 @@ static int vc_do_resize(struct tty_struc 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; }