interconnect: qcom: rpm: fix probe child-node error handling

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@vger.kernel.org      # 5.17
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230306075651.2449-7-johan+linaro@kernel.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>

diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
index df3196f..91778cf 100644 (file)
--- 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: