diff options
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 5413bd500781..97355a15bbea 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1059,6 +1059,12 @@ int usb_serial_probe(struct usb_interface *interface, serial->attached = 1; } + /* Avoid race with tty_open and serial_install by setting the + * disconnected flag and not clearing it until all ports have been + * registered. + */ + serial->disconnected = 1; + if (get_free_serial(serial, num_ports, &minor) == NULL) { dev_err(&interface->dev, "No more free serial devices\n"); goto probe_error; @@ -1078,6 +1084,8 @@ int usb_serial_probe(struct usb_interface *interface, "continuing\n"); } + serial->disconnected = 0; + usb_serial_console_init(debug, minor); exit: |