[RFC PATCH v1 10/12] usb: typec: qcom: implement proper error path in probe()

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Sun Sep 3 21:41:48 UTC 2023


Implement proper error path in the qcom_pmic_typec_probe(). This makes
sure that we properly disable hardware blocks and do not leak memory.

Fixes: a4422ff22142 ("usb: typec: qcom: Add Qualcomm PMIC Type-C driver")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
index 581199d37b49..ceda594a8d56 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c
@@ -258,15 +258,22 @@ static int qcom_pmic_typec_probe(struct platform_device *pdev)
 	ret = qcom_pmic_typec_port_start(tcpm->pmic_typec_port,
 					 tcpm->tcpm_port);
 	if (ret)
-		goto fwnode_remove;
+		goto tcpm_unregister_port;
 
 	ret = qcom_pmic_typec_pdphy_start(tcpm->pmic_typec_pdphy,
 					  tcpm->tcpm_port);
 	if (ret)
-		goto fwnode_remove;
+		goto typec_stop;
 
 	return 0;
 
+
+typec_stop:
+	qcom_pmic_typec_port_stop(tcpm->pmic_typec_port);
+
+tcpm_unregister_port:
+	tcpm_unregister_port(tcpm->tcpm_port);
+
 fwnode_remove:
 	fwnode_remove_software_node(tcpm->tcpc.fwnode);
 
-- 
2.39.2



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