Messages in this thread | | | From | Andy Shevchenko <> | Date | Tue, 26 Apr 2022 12:13:31 +0200 | Subject | Re: [PATCH v5 3/7] usb: typec: mux: Check dev_set_name() return value |
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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 >
-- With Best Regards, Andy Shevchenko
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