ASoC: max98090: 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 <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 78268f0514e9..1697340c3842 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -1801,10 +1801,13 @@ static int max98090_set_bias_level(struct snd_soc_codec *codec,
                 if (IS_ERR(max98090->mclk))
                         break;
 
-                if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON)
+                if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) {
                         clk_disable_unprepare(max98090->mclk);
-                else
-                        clk_prepare_enable(max98090->mclk);
+                } else {
+                        ret = clk_prepare_enable(max98090->mclk);
+                        if (ret)
+                                return ret;
+                }
                 break;
 
         case SND_SOC_BIAS_STANDBY: