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

Message ID 20221114174449.34634-3-sven@svenpeter.dev
State New
Headers
Series [1/4] usb: typec: tipd: Cleanup resources if devm_tps6598_psy_register fails |

Commit Message

Sven Peter Nov. 14, 2022, 5:44 p.m. UTC
  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@svenpeter.dev>
---
 drivers/usb/typec/tipd/core.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
  

Comments

Heikki Krogerus Nov. 16, 2022, 12:20 p.m. UTC | #1
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@svenpeter.dev>

Also direct stable material.

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>

> ---
>  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,
  

Patch

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: