From: Fabio Estevam fabio.estevam@freescale.com
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 fabio.estevam@freescale.com --- 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 915ea11..3f87e7d 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;