| Message ID | 20220422222351.1297276-4-bjorn.andersson@linaro.org (mailing list archive) |
|---|---|
| State | Handled Elsewhere, archived |
| Headers | show |
| Series | typec: mux: Introduce support for multiple USB TypeC muxes | expand |
On Sat, Apr 23, 2022 at 1:25 AM Bjorn Andersson <bjorn.andersson@linaro.org> wrote: > > It's possible that dev_set_name() returns -ENOMEM, catch and handle this. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> > Fixes: 3370db35193b ("usb: typec: Registering real device entries for the muxes") > Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> > --- > > Changes since v4: > - Added Fixes tag > > 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) { > -- > 2.35.1 >
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) {
It's possible that dev_set_name() returns -ENOMEM, catch and handle this. Fixes: 3370db35193b ("usb: typec: Registering real device entries for the muxes") Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- Changes since v4: - Added Fixes tag drivers/usb/typec/mux.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-)