lkml.org 
[lkml]   [2019]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 4.14 073/115] vt: always call notifier with the console lock held
Date
[ Upstream commit 7e1d226345f89ad5d0216a9092c81386c89b4983 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
drivers/tty/vt/vt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 1fb5e7f409c4a..6ff921cf9a9e4 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2435,8 +2435,8 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
}
con_flush(vc, draw_from, draw_to, &draw_x);
console_conditional_schedule();
- console_unlock();
notify_update(vc);
+ console_unlock();
return n;
}

--
2.20.1


\
 
 \ /
  Last update: 2019-05-15 13:56    [W:0.255 / U:14.068 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site