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authorSylwester Nawrocki <s.nawrocki@samsung.com>2019-02-20 12:06:07 +0100
committerMark Brown <broonie@kernel.org>2019-02-20 16:43:16 +0000
commitd832d2b246c516eacb2d0ba53ec17ed59c3cd62b (patch)
tree36ffb039bedc002b015a7acafc9178701752e719 /sound/soc
parent0b9c9ed6dd3b61b1d3ef1638786a7216006f67c5 (diff)
downloadlinux-stericsson-d832d2b246c516eacb2d0ba53ec17ed59c3cd62b.tar.gz
ASoC: samsung: odroid: Fix of_node refcount unbalance
In odroid_audio_probe() some OF nodes are left without reference count decrease after use. Fix it by ensuring required of_node_calls() are done before exiting probe. Reported-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/samsung/odroid.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c
index bd2c5163dc7f..c3b0f6c612cb 100644
--- a/sound/soc/samsung/odroid.c
+++ b/sound/soc/samsung/odroid.c
@@ -257,27 +257,31 @@ static int odroid_audio_probe(struct platform_device *pdev)
ret = of_parse_phandle_with_args(cpu, "sound-dai",
"#sound-dai-cells", i, &args);
if (ret < 0)
- return ret;
+ break;
if (!args.np) {
dev_err(dev, "sound-dai property parse error: %d\n", ret);
- return -EINVAL;
+ ret = -EINVAL;
+ break;
}
ret = snd_soc_get_dai_name(&args, &link->cpu_dai_name);
of_node_put(args.np);
if (ret < 0)
- return ret;
+ break;
}
+ if (ret == 0)
+ cpu_dai = of_parse_phandle(cpu, "sound-dai", 0);
- cpu_dai = of_parse_phandle(cpu, "sound-dai", 0);
of_node_put(cpu);
of_node_put(codec);
+ if (ret < 0)
+ return ret;
ret = snd_soc_of_get_dai_link_codecs(dev, codec, codec_link);
if (ret < 0)
- goto err_put_codec_n;
+ goto err_put_cpu_dai;
/* Set capture capability only for boards with the MAX98090 CODEC */
if (codec_link->num_codecs > 1) {
@@ -288,7 +292,7 @@ static int odroid_audio_probe(struct platform_device *pdev)
priv->sclk_i2s = of_clk_get_by_name(cpu_dai, "i2s_opclk1");
if (IS_ERR(priv->sclk_i2s)) {
ret = PTR_ERR(priv->sclk_i2s);
- goto err_put_codec_n;
+ goto err_put_cpu_dai;
}
priv->clk_i2s_bus = of_clk_get_by_name(cpu_dai, "iis");
@@ -310,7 +314,8 @@ err_put_clk_i2s:
clk_put(priv->clk_i2s_bus);
err_put_sclk:
clk_put(priv->sclk_i2s);
-err_put_codec_n:
+err_put_cpu_dai:
+ of_node_put(cpu_dai);
snd_soc_of_put_dai_link_codecs(codec_link);
return ret;
}