Message ID | 20221114174449.34634-2-sven@svenpeter.dev |
---|---|
State | New |
Headers | show |
Series | [1/4] usb: typec: tipd: Cleanup resources if devm_tps6598_psy_register fails | expand |
On Mon, Nov 14, 2022 at 06:44:47PM +0100, Sven Peter wrote: > The err_role_put error path always calls fwnode_handle_put to release > the fwnode. This path can be reached after probe itself has already > released that fwnode though. Fix that by moving fwnode_handle_put in the > happy path to the very end. > > Fixes: 18a6c866bb19 ("usb: typec: tps6598x: Add USB role switching logic") > Signed-off-by: Sven Peter <sven@svenpeter.dev> This looks like stable material as well. Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > --- > drivers/usb/typec/tipd/core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c > index ebc786d728e2..824e573af570 100644 > --- a/drivers/usb/typec/tipd/core.c > +++ b/drivers/usb/typec/tipd/core.c > @@ -834,7 +834,6 @@ static int tps6598x_probe(struct i2c_client *client) > ret = PTR_ERR(tps->port); > goto err_role_put; > } > - fwnode_handle_put(fwnode); > > if (tps->status & TPS_STATUS_PLUG_PRESENT) { > ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &tps->pwr_status); > @@ -858,6 +857,7 @@ static int tps6598x_probe(struct i2c_client *client) > } > > i2c_set_clientdata(client, tps); > + fwnode_handle_put(fwnode); > > return 0; > thanks,
diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index ebc786d728e2..824e573af570 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -834,7 +834,6 @@ static int tps6598x_probe(struct i2c_client *client) ret = PTR_ERR(tps->port); goto err_role_put; } - fwnode_handle_put(fwnode); if (tps->status & TPS_STATUS_PLUG_PRESENT) { ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &tps->pwr_status); @@ -858,6 +857,7 @@ static int tps6598x_probe(struct i2c_client *client) } i2c_set_clientdata(client, tps); + fwnode_handle_put(fwnode); return 0;
The err_role_put error path always calls fwnode_handle_put to release the fwnode. This path can be reached after probe itself has already released that fwnode though. Fix that by moving fwnode_handle_put in the happy path to the very end. Fixes: 18a6c866bb19 ("usb: typec: tps6598x: Add USB role switching logic") Signed-off-by: Sven Peter <sven@svenpeter.dev> --- drivers/usb/typec/tipd/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)