[PATCH] ASoC: Intel: sof-rt5682: add a check for devm_clk_get

[Chuhong Yuan]

sof_audio_probe misses a check for devm_clk_get and may cause problems.
Add a check for it to fix the bug.

Signed-off-by: Chuhong Yuan <hsleste...@gmail.com>
---
 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,
-- 
2.20.1