Signed-off-by: Takashi Iwai <ti...@suse.de>
---
drivers/usb/serial/bus.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index b730366d524f..4b34afc51535 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -80,8 +80,15 @@ static int usb_serial_device_probe(struct device *dev)
}
minor = port->minor;
- tty_register_device_attr(usb_serial_tty_driver, minor, dev, NULL,
- usb_serial_dev_groups);
+ dev = tty_register_device_attr(usb_serial_tty_driver, minor, dev, NULL,
+ usb_serial_dev_groups);
+ if (IS_ERR(dev)) {
+ retval = PTR_ERR(dev);
+ if (driver->port_remove)
+ driver->port_remove(port);
+ goto exit_with_autopm;
+ }
+
dev_info(&port->serial->dev->dev,
"%s converter now attached to ttyUSB%d\n",
driver->description, minor);
--
2.2.2
--
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