From: Jiasheng Jiang jiasheng@iscas.ac.cn
[ Upstream commit 45ea97d74313bae681328b0c36fa348036777644 ]
As the potential failure of the clk_enable(), it should be better to check it, as same as clk_prepare_enable().
Fixes: c9afc1834e81 ("ASoC: dwc: Disallow building designware_pcm as a module") Signed-off-by: Jiasheng Jiang jiasheng@iscas.ac.cn Link: https://lore.kernel.org/r/20220301084742.3751939-1-jiasheng@iscas.ac.cn Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/dwc/dwc-i2s.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index 33ce257ae198..315ca5c4b057 100644 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -403,9 +403,13 @@ static int dw_i2s_runtime_suspend(struct device *dev) static int dw_i2s_runtime_resume(struct device *dev) { struct dw_i2s_dev *dw_dev = dev_get_drvdata(dev); + int ret;
- if (dw_dev->capability & DW_I2S_MASTER) - clk_enable(dw_dev->clk); + if (dw_dev->capability & DW_I2S_MASTER) { + ret = clk_enable(dw_dev->clk); + if (ret) + return ret; + } return 0; }
@@ -422,10 +426,13 @@ static int dw_i2s_resume(struct snd_soc_component *component) { struct dw_i2s_dev *dev = snd_soc_component_get_drvdata(component); struct snd_soc_dai *dai; - int stream; + int stream, ret;
- if (dev->capability & DW_I2S_MASTER) - clk_enable(dev->clk); + if (dev->capability & DW_I2S_MASTER) { + ret = clk_enable(dev->clk); + if (ret) + return ret; + }
for_each_component_dais(component, dai) { for_each_pcm_streams(stream)