From cef6daa919c6912c4da629c3cee9c789f90583b1 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Sat, 20 Jun 2015 15:55:52 -0300 Subject: [PATCH] ASoC: wm8731: Check for clk_prepare_enable() error clk_prepare_enable() may fail, so we should better check its return value and propagate it in the case of error. Signed-off-by: Fabio Estevam Signed-off-by: Mark Brown --- sound/soc/codecs/wm8731.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index f22935a36a0a..628d50c40cc4 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -496,8 +496,11 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec, switch (level) { case SND_SOC_BIAS_ON: - if (wm8731->mclk) - clk_prepare_enable(wm8731->mclk); + if (wm8731->mclk) { + ret = clk_prepare_enable(wm8731->mclk); + if (ret) + return ret; + } break; case SND_SOC_BIAS_PREPARE: break; -- 2.20.1