Untangle port-shutdown logic and make sure the initialised flag is
always cleared for non-console ports.
---
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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