| Message ID | 20170606155904.26819-3-johan@kernel.org (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c index d563cbcf76cf..3863bb1ce8c5 100644 --- a/drivers/usb/core/of.c +++ b/drivers/usb/core/of.c @@ -28,7 +28,8 @@ * * Find the node from device tree according to its port number. * - * Return: On success, a pointer to the device node, %NULL on failure. + * Return: A pointer to the node with incremented refcount if found, or + * %NULL otherwise. */ struct device_node *usb_of_get_child_node(struct device_node *parent, int portnum)
Document that the child-node lookup helper takes a reference to the device-tree node which needs to be dropped after use. Signed-off-by: Johan Hovold <johan@kernel.org> --- drivers/usb/core/of.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)