From 7e1d226345f89ad5d0216a9092c81386c89b4983 Mon Sep 17 00:00:00 2001
From: Nicolas Pitre <nicolas.pitre@linaro.org>
Date: Tue, 8 Jan 2019 22:55:00 -0500
Subject: [PATCH] vt: always call notifier with the console lock held
Git-commit: 7e1d226345f89ad5d0216a9092c81386c89b4983
Patch-mainline: v5.0-rc4
References: bsc#1051510

Every invocation of notify_write() and notify_update() is performed
under the console lock, except for one case. Let's fix that.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/tty/vt/vt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2435,8 +2435,8 @@ rescan_last_byte:
 	}
 	con_flush(vc, draw_from, draw_to, &draw_x);
 	console_conditional_schedule();
-	console_unlock();
 	notify_update(vc);
+	console_unlock();
 	return n;
 }