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Date: Mon, 18 Apr 2022 14:12:12 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Jiasheng Jiang <jiasheng@...as.ac.cn>, Mark Brown <broonie@...nel.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.9 066/218] ASoC: atmel_ssc_dai: Handle errors for clk_enable From: Jiasheng Jiang <jiasheng@...as.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@...as.ac.cn> Link: https://lore.kernel.org/r/20220301090637.3776558-1-jiasheng@iscas.ac.cn Signed-off-by: Mark Brown <broonie@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- sound/soc/atmel/atmel_ssc_dai.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c index 16e459aedffe..5958aafac8eb 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 */ -- 2.34.1
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