[PATCH] ASoC: tlv320aic32x4: add a check for devm_clk_get

From: Chuhong Yuan
Date: Fri Oct 18 2019 - 04:15:21 EST


aic32x4_set_dai_sysclk misses a check for devm_clk_get and may miss the
failure.
Add a check to fix it.

Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx>
---
sound/soc/codecs/tlv320aic32x4.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c
index 68165de1c8de..b4e9a6c73f90 100644
--- a/sound/soc/codecs/tlv320aic32x4.c
+++ b/sound/soc/codecs/tlv320aic32x4.c
@@ -573,6 +573,9 @@ static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai,
struct clk *pll;

pll = devm_clk_get(component->dev, "pll");
+ if (IS_ERR(pll))
+ return PTR_ERR(pll);
+
mclk = clk_get_parent(pll);

return clk_set_rate(mclk, freq);
--
2.20.1