Re: [PATCH 3/4] usb: typec: tipd: Fix typec_unregister_port error paths

From: Heikki Krogerus
Date: Wed Nov 16 2022 - 07:24:20 EST


On Mon, Nov 14, 2022 at 06:44:48PM +0100, Sven Peter wrote:
> typec_unregister_port is only called for some error paths after
> typec_register_port was successful. Ensure it's called in all
> cases.
>
> Fixes: 92440202a880 ("usb: typec: tipd: Only update power status on IRQ")
> Signed-off-by: Sven Peter <sven@xxxxxxxxxxxxx>

Also direct stable material.

Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

> ---
> drivers/usb/typec/tipd/core.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index 824e573af570..c35501a92b4d 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -839,7 +839,7 @@ static int tps6598x_probe(struct i2c_client *client)
> ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &tps->pwr_status);
> if (ret < 0) {
> dev_err(tps->dev, "failed to read power status: %d\n", ret);
> - goto err_role_put;
> + goto err_unregister_port;
> }
> ret = tps6598x_connect(tps);
> if (ret)
> @@ -852,8 +852,7 @@ static int tps6598x_probe(struct i2c_client *client)
> dev_name(&client->dev), tps);
> if (ret) {
> tps6598x_disconnect(tps, 0);
> - typec_unregister_port(tps->port);
> - goto err_role_put;
> + goto err_unregister_port;
> }
>
> i2c_set_clientdata(client, tps);
> @@ -861,6 +860,8 @@ static int tps6598x_probe(struct i2c_client *client)
>
> return 0;
>
> +err_unregister_port:
> + typec_unregister_port(tps->port);
> err_role_put:
> usb_role_switch_put(tps->role_sw);
> err_fwnode_put:

thanks,

--
heikki