[PATCH v3 1/6] TTY: clean up port shutdown
From: Johan Hovold <hidden>
Date: 2013-03-07 14:58:23
Also in:
lkml
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Untangle port-shutdown logic and make sure the initialised flag is always cleared for non-console ports. Signed-off-by: Johan Hovold <redacted> --- 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
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