[PATCH 6.2 135/211] interconnect: qcom: rpm: fix probe child-node error handling

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From: Johan Hovold <johan+linaro@xxxxxxxxxx>

commit bc463201f60803fa6bf2741d59441031cd0910e4 upstream.

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@xxxxxxxxxxxxxxx      # 5.17
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230306075651.2449-7-johan+linaro@xxxxxxxxxx
Signed-off-by: Georgi Djakov <djakov@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/interconnect/qcom/icc-rpm.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/interconnect/qcom/icc-rpm.c
+++ b/drivers/interconnect/qcom/icc-rpm.c
@@ -541,8 +541,11 @@ regmap_done:
 	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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