Make sure to unregister the tty device before calling subdriver
port_remove.
This way remove will reverse probe, and specifically any port data
released in port_remove will be available throughout tty unregister.
Reported-by: Peter Hurley <pe...@hurleysoftware.com>
Signed-off-by: Johan Hovold <jhov...@gmail.com>
---
drivers/usb/serial/bus.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 37decb1..3c4db6d 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -106,14 +106,15 @@ static int usb_serial_device_remove(struct device *dev)
/* make sure suspend/resume doesn't race against port_remove */
usb_autopm_get_interface(port->serial->interface);
+ minor = port->number;
+ tty_unregister_device(usb_serial_tty_driver, minor);
+
device_remove_file(&port->dev, &dev_attr_port_number);
driver = port->serial->type;
if (driver->port_remove)
retval = driver->port_remove(port);
- minor = port->number;
- tty_unregister_device(usb_serial_tty_driver, minor);
dev_info(dev, "%s converter now disconnected from ttyUSB%d\n",
driver->description, minor);
--
1.8.1.1
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
