lkml.org 
[lkml]   [2013]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 1/6] TTY: clean up port shutdown
Date
Untangle port-shutdown logic and make sure the initialised flag is
always cleared for non-console ports.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
---
drivers/tty/tty_port.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index b7ff59d..57a061e 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -199,9 +199,14 @@ EXPORT_SYMBOL(tty_port_tty_set);
static void tty_port_shutdown(struct tty_port *port)
{
mutex_lock(&port->mutex);
- if (port->ops->shutdown && !port->console &&
- test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags))
+ if (port->console)
+ goto out;
+
+ if (test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) {
+ if (port->ops->shutdown)
port->ops->shutdown(port);
+ }
+out:
mutex_unlock(&port->mutex);
}

--
1.8.1.1


\
 
 \ /
  Last update: 2013-03-07 16:43    [W:0.193 / U:0.256 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site