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 <[email protected]>
---
 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

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