clk: qcom: common: check for failure

We were not checking the return from devm_add_action() which can fail.
Start using the helper and devm_add_action_or_reset() and return
directly as we know that the cleanup has been done by this helper.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/qcom/common.c

@@ -213,7 +213,11 @@ int qcom_cc_really_probe(struct platform_device *pdev,
 	if (ret)
 		return ret;
 
-	devm_add_action(dev, qcom_cc_del_clk_provider, pdev->dev.of_node);
+	ret = devm_add_action_or_reset(dev, qcom_cc_del_clk_provider,
+				       pdev->dev.of_node);
+
+	if (ret)
+		return ret;
 
 	reset = &cc->reset;
 	reset->rcdev.of_node = dev->of_node;
@@ -227,7 +231,11 @@ int qcom_cc_really_probe(struct platform_device *pdev,
 	if (ret)
 		return ret;
 
-	devm_add_action(dev, qcom_cc_reset_unregister, &reset->rcdev);
+	ret = devm_add_action_or_reset(dev, qcom_cc_reset_unregister,
+				       &reset->rcdev);
+
+	if (ret)
+		return ret;
 
 	if (desc->gdscs && desc->num_gdscs) {
 		ret = gdsc_register(dev, desc->gdscs, desc->num_gdscs,
@@ -236,10 +244,7 @@ int qcom_cc_really_probe(struct platform_device *pdev,
 			return ret;
 	}
 
-	devm_add_action(dev, qcom_cc_gdsc_unregister, dev);
-
-
-	return 0;
+	return devm_add_action_or_reset(dev, qcom_cc_gdsc_unregister, dev);
 }
 EXPORT_SYMBOL_GPL(qcom_cc_really_probe);