pty: Remove redundant itty reset
authorPeter Hurley <peter@hurleysoftware.com>
Tue, 5 Feb 2013 21:08:50 +0000 (16:08 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 15 Mar 2013 20:00:48 +0000 (13:00 -0700)
port->itty has already been reset by release_tty() before
pty_cleanup() is called.

Call stack:
release_tty()
  tty_kref_put()
    queue_release_one_tty()
      release_one_tty() : workqueue
        tty->ops->cleanup()
          pty_cleanup()

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/pty.c

index c24b4db243b97fb97721730c6b5a7f57c2966ace..71e456aa63678a26869a99bb3abb9771529426c3 100644 (file)
@@ -413,7 +413,6 @@ static void pty_unix98_shutdown(struct tty_struct *tty)
 
 static void pty_cleanup(struct tty_struct *tty)
 {
-       tty->port->itty = NULL;
        tty_port_put(tty->port);
 }