ASoC: SOF: Add missing of_node_put() in imx8m_probe

[ Upstream commit 5575f7f49134c7386a684335c9007737c606d3b5 ]

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

Fixes: afb93d716533 ("ASoC: SOF: imx: Add i.MX8M HW support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220308023325.31702-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/sof/imx/imx8m.c b/sound/soc/sof/imx/imx8m.c
index 892e148..b3d3edc 100644 (file)
--- a/sound/soc/sof/imx/imx8m.c
+++ b/sound/soc/sof/imx/imx8m.c
@@ -191,6 +191,7 @@ static int imx8m_probe(struct snd_sof_dev *sdev)
        }
 
        ret = of_address_to_resource(res_node, 0, &res);
+       of_node_put(res_node);
        if (ret) {
                dev_err(&pdev->dev, "failed to get reserved region address\n");
                goto exit_pdev_unregister;