parport: fix error handling
After registering the device if exclusive access fails for any reason
then we need to unregister the device to remove all references.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 8067f54..d8079e3 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -907,7 +907,8 @@
spin_unlock(&port->physport->pardevice_lock);
pr_debug("%s: cannot grant exclusive access for device %s\n",
port->name, name);
- goto err_put_dev;
+ device_unregister(&par_dev->dev);
+ goto err_put_port;
}
port->flags |= PARPORT_FLAG_EXCL;
}