On Sat, Apr 23, 2022 at 1:25 AM Bjorn Andersson
<bjorn.andersson@xxxxxxxxxx> wrote:
>
> It's possible that dev_set_name() returns -ENOMEM, catch and handle this.
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Fixes: 3370db35193b ("usb: typec: Registering real device entries for the muxes")
> Reported-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
>
> 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
