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* [PATCH] ASoC: tlv320aic32x4: add a check for devm_clk_get
@ 2019-10-18  8:14 ` Chuhong Yuan
  0 siblings, 0 replies; 4+ messages in thread
From: Chuhong Yuan @ 2019-10-18  8:14 UTC (permalink / raw)
  Cc: Liam Girdwood, Mark Brown, Jaroslav Kysela, Takashi Iwai,
	alsa-devel, linux-kernel, Chuhong Yuan

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@gmail.com>
---
 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


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2019-10-18 18:11 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-10-18  8:14 [PATCH] ASoC: tlv320aic32x4: add a check for devm_clk_get Chuhong Yuan
2019-10-18  8:14 ` [alsa-devel] " Chuhong Yuan
2019-10-18 18:06 ` Applied "ASoC: tlv320aic32x4: add a check for devm_clk_get" to the asoc tree Mark Brown
2019-10-18 18:06   ` [alsa-devel] " Mark Brown

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