[PATCH] ASoC: fsl: Fix refcount leak in imx_sgtl5000_probe

[Miaoqian Lin]

of_find_i2c_device_by_node() takes a reference,
In error paths, we should call put_device() to drop
the reference to aviod refount leak.

Fixes: 81e8e4926167 ("ASoC: fsl: add sgtl5000 clock support for imx-sgtl5000")
Signed-off-by: Miaoqian Lin <linmq006 at gmail.com>
---
 sound/soc/fsl/imx-sgtl5000.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c
index 8daced42d55e..580a0d963f0e 100644
--- a/sound/soc/fsl/imx-sgtl5000.c
+++ b/sound/soc/fsl/imx-sgtl5000.c
@@ -120,19 +120,19 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		ret = -ENOMEM;
-		goto fail;
+		goto put_device;
 	}
 
 	comp = devm_kzalloc(&pdev->dev, 3 * sizeof(*comp), GFP_KERNEL);
 	if (!comp) {
 		ret = -ENOMEM;
-		goto fail;
+		goto put_device;
 	}
 
 	data->codec_clk = clk_get(&codec_dev->dev, NULL);
 	if (IS_ERR(data->codec_clk)) {
 		ret = PTR_ERR(data->codec_clk);
-		goto fail;
+		goto put_device;
 	}
 
 	data->clk_frequency = clk_get_rate(data->codec_clk);
@@ -158,10 +158,10 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
 	data->card.dev = &pdev->dev;
 	ret = snd_soc_of_parse_card_name(&data->card, "model");
 	if (ret)
-		goto fail;
+		goto put_device;
 	ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
 	if (ret)
-		goto fail;
+		goto put_device;
 	data->card.num_links = 1;
 	data->card.owner = THIS_MODULE;
 	data->card.dai_link = &data->dai;
@@ -174,7 +174,7 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
 	ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
 	if (ret) {
 		dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");
-		goto fail;
+		goto put_device;
 	}
 
 	of_node_put(ssi_np);
@@ -182,6 +182,8 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
 
 	return 0;
 
+put_device:
+	put_device(&codec_dev->dev);
 fail:
 	if (data && !IS_ERR(data->codec_clk))
 		clk_put(data->codec_clk);
-- 
2.25.1