From: Sean Anderson sean.anderson@seco.com
commit 092f45b13e51666fe8ecbf2d6cd247aa7e6c1f74 upstream.
Drivers are not unbound from the device when ulpi_unregister_interface is called. Move of_node-freeing code to ulpi_dev_release which is called only after all users are gone.
Fixes: ef6a7bcfb01c ("usb: ulpi: Support device discovery via DT") Cc: stable stable@vger.kernel.org Reviewed-by: Heikki Krogerus heikki.krogerus@linux.intel.com Signed-off-by: Sean Anderson sean.anderson@seco.com Link: https://lore.kernel.org/r/20220127190004.1446909-2-sean.anderson@seco.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/common/ulpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/common/ulpi.c +++ b/drivers/usb/common/ulpi.c @@ -132,6 +132,7 @@ static const struct attribute_group *ulp
static void ulpi_dev_release(struct device *dev) { + of_node_put(dev->of_node); kfree(to_ulpi_dev(dev)); }
@@ -300,7 +301,6 @@ EXPORT_SYMBOL_GPL(ulpi_register_interfac */ void ulpi_unregister_interface(struct ulpi *ulpi) { - of_node_put(ulpi->dev.of_node); device_unregister(&ulpi->dev); } EXPORT_SYMBOL_GPL(ulpi_unregister_interface);