diff options
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index a3665659d13..5e1cf78c778 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1077,16 +1077,17 @@ int usb_serial_suspend(struct usb_interface *intf, pm_message_t message) struct usb_serial_port *port; int i, r = 0; - if (serial) { - for (i = 0; i < serial->num_ports; ++i) { - port = serial->port[i]; - if (port) - kill_traffic(port); - } + if (!serial) /* device has been disconnected */ + return 0; + + for (i = 0; i < serial->num_ports; ++i) { + port = serial->port[i]; + if (port) + kill_traffic(port); } if (serial->type->suspend) - serial->type->suspend(serial, message); + r = serial->type->suspend(serial, message); return r; } |