diff options
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index b993e8dd295..6afd8e84811 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1332,11 +1332,15 @@ int usb_serial_register(struct usb_serial_driver *driver) return -ENODEV; fixup_generic(driver); - if (driver->usb_driver) - driver->usb_driver->supports_autosuspend = 1; if (!driver->description) driver->description = driver->driver.name; + if (!driver->usb_driver) { + WARN(1, "Serial driver %s has no usb_driver\n", + driver->description); + return -EINVAL; + } + driver->usb_driver->supports_autosuspend = 1; /* Add this device to our list of devices */ mutex_lock(&table_lock); |