Fix unchecked return value for clk_prepare_enable, add error handler in fsl_mqs_runtime_resume. Fixes: 9e28f6532c61 ("ASoC: fsl_mqs: Add MQS component driver") Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx> --- sound/soc/fsl/fsl_mqs.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/sound/soc/fsl/fsl_mqs.c b/sound/soc/fsl/fsl_mqs.c index b44b134390a3..69aeb0e71844 100644 --- a/sound/soc/fsl/fsl_mqs.c +++ b/sound/soc/fsl/fsl_mqs.c @@ -265,10 +265,20 @@ static int fsl_mqs_remove(struct platform_device *pdev) static int fsl_mqs_runtime_resume(struct device *dev) { struct fsl_mqs *mqs_priv = dev_get_drvdata(dev); + int ret; - clk_prepare_enable(mqs_priv->ipg); + ret = clk_prepare_enable(mqs_priv->ipg); + if (ret) { + dev_err(dev, "failed to enable ipg clock\n"); + return ret; + } - clk_prepare_enable(mqs_priv->mclk); + ret = clk_prepare_enable(mqs_priv->mclk); + if (ret) { + dev_err(dev, "failed to enable mclk clock\n"); + clk_disable_unprepare(mqs_priv->ipg); + return ret; + } if (mqs_priv->use_gpr) regmap_write(mqs_priv->regmap, IOMUXC_GPR2, -- 2.21.0