[PATCH v2 06/23] interconnect: qcom: rpm: fix probe child-node error handling

[Johan Hovold]

Make sure to clean up and release resources properly also in case probe
fails when populating child devices.

Fixes: e39bf2972c6e ("interconnect: icc-rpm: Support child NoC device probe")
Cc: stable at vger.kernel.org      # 5.17
Reviewed-by: Konrad Dybcio <konrad.dybcio at linaro.org>
Signed-off-by: Johan Hovold <johan+linaro at kernel.org>
---
 drivers/interconnect/qcom/icc-rpm.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
index df3196f72536..91778cfcbc65 100644
--- a/drivers/interconnect/qcom/icc-rpm.c
+++ b/drivers/interconnect/qcom/icc-rpm.c
@@ -541,8 +541,11 @@ int qnoc_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, qp);
 
 	/* Populate child NoC devices if any */
-	if (of_get_child_count(dev->of_node) > 0)
-		return of_platform_populate(dev->of_node, NULL, NULL, dev);
+	if (of_get_child_count(dev->of_node) > 0) {
+		ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
+		if (ret)
+			goto err;
+	}
 
 	return 0;
 err:
-- 
2.39.2