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| author | Johan Hovold <jhovold@gmail.com> | 2013-03-07 15:55:48 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-18 16:27:53 -0700 |
| commit | 8bde9658a0e6a7098dcda1ce6ea6b278029644b4 (patch) | |
| tree | c145dc5808d6c93809bd07dd083191165d14da4c /drivers/tty/tty_port.c | |
| parent | b12d8dc2dbe2d2d1d6eec314d586b1eed75756dc (diff) | |
| download | linux-8bde9658a0e6a7098dcda1ce6ea6b278029644b4.tar.gz linux-8bde9658a0e6a7098dcda1ce6ea6b278029644b4.tar.bz2 linux-8bde9658a0e6a7098dcda1ce6ea6b278029644b4.zip | |
TTY: clean up port shutdown
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_port.c')
| -rw-r--r-- | drivers/tty/tty_port.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 7f38eeaafac3..2aea2f91e271 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); } |