[PATCH v2 3/4] USB: serial: fix runtime PM after driver unbind

Johan Hovold
2019-10-01T08:49:24Z

drivers/usb/serial/usb-serial.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index a3179fea38c8..8f066bb55d7d 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -314,10 +314,7 @@ static void serial_cleanup(struct tty_struct *tty)
serial = port->serial;
owner = serial->type->driver.owner;

- mutex_lock(&serial->disc_mutex);
- if (!serial->disconnected)
- usb_autopm_put_interface(serial->interface);
- mutex_unlock(&serial->disc_mutex);
+ usb_autopm_put_interface(serial->interface);

usb_serial_put(serial);
module_put(owner);
--
2.23.0