From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Rob Herring <robh+dt@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Daniel Scally <djrscally@gmail.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Hans de Goede <hdegoede@redhat.com>
Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Subject: [PATCH v4 3/7] usb: typec: mux: Check dev_set_name() return value
Date: Sun, 6 Mar 2022 19:40:36 -0800 [thread overview]
Message-ID: <20220307034040.1111107-3-bjorn.andersson@linaro.org> (raw)
In-Reply-To: <20220307034040.1111107-1-bjorn.andersson@linaro.org>
It's possible that dev_set_name() returns -ENOMEM, catch and handle this.
Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
Changes since v3:
- New patch
drivers/usb/typec/mux.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c
index c8340de0ed49..d2aaf294b649 100644
--- a/drivers/usb/typec/mux.c
+++ b/drivers/usb/typec/mux.c
@@ -131,8 +131,11 @@ typec_switch_register(struct device *parent,
sw->dev.class = &typec_mux_class;
sw->dev.type = &typec_switch_dev_type;
sw->dev.driver_data = desc->drvdata;
- dev_set_name(&sw->dev, "%s-switch",
- desc->name ? desc->name : dev_name(parent));
+ ret = dev_set_name(&sw->dev, "%s-switch", desc->name ? desc->name : dev_name(parent));
+ if (ret) {
+ put_device(&sw->dev);
+ return ERR_PTR(ret);
+ }
ret = device_add(&sw->dev);
if (ret) {
@@ -338,8 +341,11 @@ typec_mux_register(struct device *parent, const struct typec_mux_desc *desc)
mux->dev.class = &typec_mux_class;
mux->dev.type = &typec_mux_dev_type;
mux->dev.driver_data = desc->drvdata;
- dev_set_name(&mux->dev, "%s-mux",
- desc->name ? desc->name : dev_name(parent));
+ ret = dev_set_name(&mux->dev, "%s-mux", desc->name ? desc->name : dev_name(parent));
+ if (ret) {
+ put_device(&mux->dev);
+ return ERR_PTR(ret);
+ }
ret = device_add(&mux->dev);
if (ret) {
--
2.33.1
next prev parent reply other threads:[~2022-03-07 3:39 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-07 3:40 [PATCH v4 1/7] device property: Helper to match multiple connections Bjorn Andersson
2022-03-07 3:40 ` [PATCH v4 2/7] device property: Use multi-connection matchers for single case Bjorn Andersson
2022-03-07 3:40 ` Bjorn Andersson [this message]
2022-03-07 10:08 ` [PATCH v4 3/7] usb: typec: mux: Check dev_set_name() return value Andy Shevchenko
2022-03-07 14:33 ` Bjorn Andersson
2022-03-07 14:52 ` Heikki Krogerus
2022-03-07 3:40 ` [PATCH v4 4/7] usb: typec: mux: Introduce indirection Bjorn Andersson
2022-03-07 3:40 ` [PATCH v4 5/7] usb: typec: mux: Allow multiple mux_devs per mux Bjorn Andersson
2022-03-07 3:40 ` [PATCH v4 6/7] dt-bindings: usb: Add binding for fcs,fsa4480 Bjorn Andersson
2022-03-07 3:40 ` [PATCH v4 7/7] usb: typec: mux: Add On Semi fsa4480 driver Bjorn Andersson
2022-03-07 10:16 ` Andy Shevchenko
2022-03-07 14:48 ` Bjorn Andersson
2022-03-07 16:13 ` Andy Shevchenko
2022-03-07 21:04 ` Bjorn Andersson
2022-03-07 22:13 ` Andy Shevchenko
2022-03-08 0:01 ` Bjorn Andersson
2022-03-07 10:05 ` [PATCH v4 1/7] device property: Helper to match multiple connections Andy Shevchenko
2022-03-07 19:13 ` Bjorn Andersson
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