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[4.19,101/338] ASoC: atmel_ssc_dai: Handle errors for clk_enable

Message ID 20220414110841.778014212@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH April 14, 2022, 1:10 p.m. UTC 
From: Jiasheng Jiang <jiasheng@iscas.ac.cn>

[ Upstream commit f9e2ca0640e59d19af0ff285ee5591ed39069b09 ]

As the potential failure of the clk_enable(),
it should be better to check it and return error if fals.

Fixes: cbaadf0f90d6 ("ASoC: atmel_ssc_dai: refactor the startup and shutdown")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220301090637.3776558-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/atmel/atmel_ssc_dai.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index d3b69682d9c2..7272f00222fd 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -296,7 +296,10 @@  static int atmel_ssc_startup(struct snd_pcm_substream *substream,
 
 	/* Enable PMC peripheral clock for this SSC */
 	pr_debug("atmel_ssc_dai: Starting clock\n");
-	clk_enable(ssc_p->ssc->clk);
+	ret = clk_enable(ssc_p->ssc->clk);
+	if (ret)
+		return ret;
+
 	ssc_p->mck_rate = clk_get_rate(ssc_p->ssc->clk);
 
 	/* Reset the SSC unless initialized to keep it in a clean state */