On 10/16/19 9:50 PM, Chuhong Yuan wrote:
sof_audio_probe misses a check for devm_clk_get and may cause problems.
Add a check for it to fix the bug.
Indeed this is a miss, we have this test in all machine drivers except
this one. Thanks for the patch!
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx>
---
sound/soc/intel/boards/sof_rt5682.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index a437567b8cee..6d15c7ff66bf 100644
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -576,6 +576,15 @@ static int sof_audio_probe(struct platform_device *pdev)
/* need to get main clock from pmc */
if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
ctx->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
+ if (IS_ERR(ctx->mclk)) {
+ ret = PTR_ERR(ctx->mclk);
+
+ dev_err(&pdev->dev,
+ "Failed to get MCLK from pmc_plt_clk_3: %d\n",
+ ret);
+ return ret;
+ }
+
ret = clk_prepare_enable(ctx->mclk);
if (ret < 0) {
dev_err(&pdev->dev,
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