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 <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index f22935a..628d50c 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -496,8 +496,11 @@
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;