ASoC: mc13783: Ensure we only try to dereference valid of_nodes

Reported-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/mc13783.c b/sound/soc/codecs/mc13783.c
index 388f90a..71f775a 100644 (file)
--- a/sound/soc/codecs/mc13783.c
+++ b/sound/soc/codecs/mc13783.c
@@ -765,12 +765,18 @@ static int __init mc13783_codec_probe(struct platform_device *pdev)
                        return -ENOSYS;
 
                ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
-               if (ret)
-                       goto out;
+               if (ret) {
+                       of_node_put(np);
+                       return ret;
+               }
 
                ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
-               if (ret)
-                       goto out;
+               if (ret) {
+                       of_node_put(np);
+                       return ret;
+               }
+
+               of_node_put(np);
        }
 
        dev_set_drvdata(&pdev->dev, priv);
@@ -783,8 +789,6 @@ static int __init mc13783_codec_probe(struct platform_device *pdev)
                ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
                        mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
 
-out:
-       of_node_put(np);
        return ret;
 }