diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2019-02-21 10:42:28 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-02-21 12:39:00 +0100 |
| commit | 3af8160028bfac4116d80edcb7eb04095323d112 (patch) | |
| tree | 4bd7dd8bfd1b11430e825a9a96efaaabd20387be /sound | |
| parent | ASoC: qcom: Fix of-node refcount unbalance in qcom_snd_parse_of() (diff) | |
| download | linux-3af8160028bfac4116d80edcb7eb04095323d112.tar.xz linux-3af8160028bfac4116d80edcb7eb04095323d112.zip | |
ASoC: samsung: odroid: Prevent uninitialized variable use
This addresses an issue pointed out by compiler warning:
sound/soc/samsung/odroid.c: In function ‘odroid_audio_probe’:
sound/soc/samsung/odroid.c:298:22: warning: ‘cpu_dai’ may be used
uninitialized in this function [-Wmaybe-uninitialized]
priv->clk_i2s_bus = of_clk_get_by_name(cpu_dai, "iis");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/samsung/odroid.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index c3b0f6c612cb..694512f980fd 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -194,7 +194,8 @@ static struct snd_soc_dai_link odroid_card_dais[] = { static int odroid_audio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *cpu, *cpu_dai, *codec; + struct device_node *cpu_dai = NULL; + struct device_node *cpu, *codec; struct odroid_priv *priv; struct snd_soc_card *card; struct snd_soc_dai_link *link, *codec_link; @@ -271,8 +272,11 @@ static int odroid_audio_probe(struct platform_device *pdev) if (ret < 0) break; } - if (ret == 0) + if (ret == 0) { cpu_dai = of_parse_phandle(cpu, "sound-dai", 0); + if (!cpu_dai) + ret = -EINVAL; + } of_node_put(cpu); of_node_put(codec); |