Commit e271b2c9 authored Jun 06, 2017 by Johan Hovold Committed by Greg Kroah-Hartman Jun 13, 2017

USB: core: fix device node leak



Make sure to release any OF device-node reference taken when creating
the USB device.

Note that we currently do not hold a reference to the root hub
device-tree node (i.e. the parent controller node).

Fixes: 69bec725 ("USB: core: let USB device know device node")
Cc: stable <stable@vger.kernel.org>	# v4.6
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 0bd08fc8

drivers/usb/core/usb.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -416,6 +416,8 @@ static void usb_release_dev(struct device *dev)

		usb_destroy_configuration(udev);
		usb_release_bos_descriptor(udev);
		if (udev->parent)
		of_node_put(dev->of_node);
		usb_put_hcd(hcd);
		kfree(udev->product);
		kfree(udev->manufacturer);

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