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[2/6] vt: always call notifier with the console lock held

Message ID 20190109035504.8413-3-nicolas.pitre@linaro.org
State New
Headers show
Series assorted console/vt/vcs fixes | expand

Commit Message

Nicolas Pitre Jan. 9, 2019, 3:55 a.m. UTC 
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
---
 drivers/tty/vt/vt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.20.1
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Patch

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b9004bd087..5b8b0e33f9 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2764,8 +2764,8 @@  static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
 	con_flush(vc, draw_from, draw_to, &draw_x);
 	vc_uniscr_debug_check(vc);
 	console_conditional_schedule();
-	console_unlock();
 	notify_update(vc);
+	console_unlock();
 	return n;
 }