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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
	Andrzej Hajda <andrzej.hajda@intel.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	"Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Janne Grunau <j@jannau.net>, Simon Ser <contact@emersion.fr>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	freedreno@lists.freedesktop.org
Subject: [RFC PATCH v1 10/12] usb: typec: qcom: implement proper error path in probe()
Date: Mon,  4 Sep 2023 00:41:48 +0300	[thread overview]
Message-ID: <20230903214150.2877023-11-dmitry.baryshkov@linaro.org> (raw)
In-Reply-To: <20230903214150.2877023-1-dmitry.baryshkov@linaro.org>

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@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


  parent reply	other threads:[~2023-09-03 21:42 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-03 21:41 [RFC PATCH v1 00/12] drm,usb/typec: uABI for USB-C DisplayPort connectors Dmitry Baryshkov
2023-09-03 21:41 ` [RFC PATCH v1 01/12] Revert "drm/sysfs: Link DRM connectors to corresponding Type-C connectors" Dmitry Baryshkov
2023-09-05  8:49   ` Heikki Krogerus
2023-09-05 10:56     ` Dmitry Baryshkov
2023-09-06 12:44       ` Heikki Krogerus
2023-09-06 12:48         ` Dmitry Baryshkov
2023-09-06 12:53           ` Laurent Pinchart
2023-09-06 14:32             ` Maxime Ripard
2023-09-06 13:38           ` Heikki Krogerus
2023-09-11 21:15             ` Dmitry Baryshkov
2023-09-12 11:05               ` Heikki Krogerus
2023-09-12 17:39                 ` Dmitry Baryshkov
2023-09-13  9:27                   ` Heikki Krogerus
2023-09-13 10:26                     ` Dmitry Baryshkov
2023-09-13 13:14                       ` Heikki Krogerus
2023-09-13 13:47                         ` Dmitry Baryshkov
2023-09-14  9:26                           ` Heikki Krogerus
2023-09-14  9:35                             ` Neil Armstrong
2023-09-14 10:16                               ` Dmitry Baryshkov
2023-09-14 10:40                             ` Dmitry Baryshkov
2023-09-14 14:55                               ` Heikki Krogerus
2023-09-13  9:38                   ` Neil Armstrong
2023-09-13 10:34                     ` Heikki Krogerus
2023-09-13  3:00               ` [Freedreno] " Rob Clark
2023-09-03 21:41 ` [RFC PATCH v1 02/12] drm/sysfs: link DRM connector device to the connector's fw nodes Dmitry Baryshkov
2023-09-03 21:41 ` [RFC PATCH v1 03/12] drm/connector: extend PATH property to covert Type-C case Dmitry Baryshkov
2023-10-03  9:15   ` Simon Ser
2023-09-03 21:41 ` [RFC PATCH v1 04/12] drm/bridge-connector: set the PATH property for the connector Dmitry Baryshkov
2023-09-03 21:41 ` [RFC PATCH v1 05/12] drm/bridge: remove conditionals around devicetree pointers Dmitry Baryshkov
2023-09-03 21:41 ` [RFC PATCH v1 06/12] soc: qcom: pmic_glink_altmode: fix DRM connector type Dmitry Baryshkov
2023-09-04 15:42   ` Bjorn Andersson
2023-09-03 21:41 ` [RFC PATCH v1 07/12] soc: qcom: pmic_glink_altmode: report that this is a Type-C connector Dmitry Baryshkov
2023-09-04 15:43   ` Bjorn Andersson
2023-09-04 15:45     ` Dmitry Baryshkov
2023-09-03 21:41 ` [RFC PATCH v1 08/12] usb: typec: support generating Type-C port names for userspace Dmitry Baryshkov
2023-09-03 21:41 ` [RFC PATCH v1 09/12] usb: typec: tcpm: " Dmitry Baryshkov
2023-09-03 21:41 ` Dmitry Baryshkov [this message]
2023-09-03 21:41 ` [RFC PATCH v1 11/12] usb: typec: qcom: extract DRM bridge functionality to separate file Dmitry Baryshkov
2023-09-03 21:41 ` [RFC PATCH v1 12/12] usb: typec: qcom: define the bridge's path Dmitry Baryshkov
2023-09-15 12:14   ` Heikki Krogerus
2023-10-23 18:24     ` Dmitry Baryshkov
2023-10-30  8:19       ` Heikki Krogerus
2023-10-30  9:47         ` Dmitry Baryshkov
2023-10-30 10:13           ` Simon Ser
2023-10-30 10:22             ` Dmitry Baryshkov
2023-10-30 10:26               ` Simon Ser
2023-10-30 12:12                 ` Dmitry Baryshkov
2023-09-04 15:46 ` [RFC PATCH v1 00/12] drm,usb/typec: uABI for USB-C DisplayPort connectors Bjorn Andersson
2023-09-04 15:49   ` Dmitry Baryshkov

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