[PATCH 2/2] ASoC: SDCA: Add better pm_runtime error handling in func probe

[Maciej Strozek <mstrozek@opensource.cirrus.com>]

Add a common error path in probe that balances the runtime PM reference.

Fixes: 3af1815a2f9c ("ASoC: SDCA: Add basic SDCA function driver")
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
---
 sound/soc/sdca/sdca_class_function.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/sound/soc/sdca/sdca_class_function.c b/sound/soc/sdca/sdca_class_function.c
index 1a7167aafa910..bbc825e05e37a 100644
--- a/sound/soc/sdca/sdca_class_function.c
+++ b/sound/soc/sdca/sdca_class_function.c
@@ -389,20 +389,27 @@ static int class_function_probe(struct auxiliary_device *auxdev,
 
 	ret = devm_pm_runtime_enable(dev);
 	if (ret)
-		return ret;
+		goto err_pm;
 
 	ret = class_function_boot(drv);
 	if (ret)
-		return ret;
+		goto err_pm;
 
 	ret = devm_snd_soc_register_component(dev, cmp_drv, dais, num_dais);
-	if (ret)
-		return dev_err_probe(dev, ret, "failed to register component\n");
+	if (ret) {
+		dev_err_probe(dev, ret, "failed to register component\n");
+		goto err_pm;
+	}
 
 	pm_runtime_mark_last_busy(dev);
 	pm_runtime_put_autosuspend(dev);
 
 	return 0;
+
+err_pm:
+	pm_runtime_put_sync(dev);
+
+	return ret;
 }
 
 static void class_function_remove(struct auxiliary_device *auxdev)
-- 
2.47.3