[PATCH 6.2 137/211] interconnect: qcom: rpmh: fix probe child-node error handling

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From: Johan Hovold <johan+linaro@xxxxxxxxxx>

commit 6570d1d46eeade82965ccc4a3ab7d778898ef4bf upstream.

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

Fixes: 57eb14779dfd ("interconnect: qcom: icc-rpmh: Support child NoC device probe")
Cc: stable@xxxxxxxxxxxxxxx      # 6.0
Cc: Luca Weiss <luca.weiss@xxxxxxxxxxxxx>
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230306075651.2449-10-johan+linaro@xxxxxxxxxx
Signed-off-by: Georgi Djakov <djakov@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/interconnect/qcom/icc-rpmh.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/interconnect/qcom/icc-rpmh.c
+++ b/drivers/interconnect/qcom/icc-rpmh.c
@@ -235,8 +235,11 @@ int qcom_icc_rpmh_probe(struct platform_
 	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:





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