ASoC: mxs-saif: Fix refcount leak in mxs_saif_probe

[ Upstream commit 2be84f7 ]

of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.

Fixes: 08641c7 ("ASoC: mxs: add device tree support for mxs-saif")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220511133725.39039-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

sound/soc/mxs/mxs-saif.c

@@ -764,6 +764,7 @@ static int mxs_saif_probe(struct platform_device *pdev)
 		saif->master_id = saif->id;
 	} else {
 		ret = of_alias_get_id(master, "saif");
+		of_node_put(master);
 		if (ret < 0)
 			return ret;
 		else