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Commit | Line | Data |
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34d0bc9e GKH |
1 | From 0c9b1965faddad7534b6974b5b36c4ad37998f8e Mon Sep 17 00:00:00 2001 |
2 | From: Nicolas Pitre <nicolas.pitre@linaro.org> | |
3 | Date: Tue, 8 Jan 2019 22:55:01 -0500 | |
4 | Subject: vt: invoke notifier on screen size change | |
5 | ||
6 | From: Nicolas Pitre <nicolas.pitre@linaro.org> | |
7 | ||
8 | commit 0c9b1965faddad7534b6974b5b36c4ad37998f8e upstream. | |
9 | ||
10 | User space using poll() on /dev/vcs devices are not awaken when a | |
11 | screen size change occurs. Let's fix that. | |
12 | ||
13 | Signed-off-by: Nicolas Pitre <nico@linaro.org> | |
14 | Cc: stable <stable@vger.kernel.org> | |
15 | Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
16 | ||
17 | --- | |
18 | drivers/tty/vt/vt.c | 1 + | |
19 | 1 file changed, 1 insertion(+) | |
20 | ||
21 | --- a/drivers/tty/vt/vt.c | |
22 | +++ b/drivers/tty/vt/vt.c | |
23 | @@ -953,6 +953,7 @@ static int vc_do_resize(struct tty_struc | |
24 | if (con_is_visible(vc)) | |
25 | update_screen(vc); | |
26 | vt_event_post(VT_EVENT_RESIZE, vc->vc_num, vc->vc_num); | |
27 | + notify_update(vc); | |
28 | return err; | |
29 | } | |
30 |