uwb: umc-dev: add missing put_device call

This is required so that we give up the last reference to the device.

Signed-off-by: Levente Kurusa <levex@linux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/uwb/umc-dev.c b/drivers/uwb/umc-dev.c
index 4613c13..7b0b268 100644
--- a/drivers/uwb/umc-dev.c
+++ b/drivers/uwb/umc-dev.c
@@ -66,6 +66,7 @@
 	return 0;
 
 error_device_register:
+	put_device(&umc->dev);
 	release_resource(&umc->resource);
 error_request_resource:
 	return err;