The device_node pointer is returned by of_parse_phandle()  with refcount
incremented. We should use of_node_put() on it when done.

This function only calls of_node_put() in the regular path.
And it will cause refcount leak in error paths.
Fix this by calling of_node_put() in error handling too.

Fixes: a45f8853 ("ASoC: Add driver for PROTO Audio CODEC (with a WM8731)")
Signed-off-by: NMiaoqian Lin <linmq006@gmail.com>
Reviewed-by: NCodrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20220308013949.20323-1-linmq006@gmail.comSigned-off-by: NMark Brown <broonie@kernel.org>