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    Subject[PATCH 4.19 084/103] vt: invoke notifier on screen size change
    Date
    4.19-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    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
    @@ -1275,6 +1275,7 @@ 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;
    }


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