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| author | Javier Carrasco <javier.carrasco.cruz@gmail.com> | 2024-09-25 17:49:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-04 15:11:59 +0200 |
| commit | 4904f9aa35b1b5f94cc388320f6835bc73f2ab87 (patch) | |
| tree | 037a50e699766dd23d1aaec8cacb2a1f20bc67b0 /drivers/usb | |
| parent | usb: atm: Correct some typos (diff) | |
| download | linux-4904f9aa35b1b5f94cc388320f6835bc73f2ab87.tar.gz linux-4904f9aa35b1b5f94cc388320f6835bc73f2ab87.zip | |
usb: typec: ucsi: glink: use device_for_each_child_node_scoped()
Use the scoped variant of `device_for_each_child_node()` to
automatically handle early exits.
This prevents memory leaks if new error paths are introduced,
as no explicit refcount decrement via `fwnode_handle_put()` is needed.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240925-ucsi_glink-scoped-v2-1-a661585fff35@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/typec/ucsi/ucsi_glink.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/usb/typec/ucsi/ucsi_glink.c b/drivers/usb/typec/ucsi/ucsi_glink.c index 03c0fa8edc8d..3e4d88ab338e 100644 --- a/drivers/usb/typec/ucsi/ucsi_glink.c +++ b/drivers/usb/typec/ucsi/ucsi_glink.c @@ -322,7 +322,6 @@ static int pmic_glink_ucsi_probe(struct auxiliary_device *adev, struct pmic_glink_ucsi *ucsi; struct device *dev = &adev->dev; const struct of_device_id *match; - struct fwnode_handle *fwnode; int ret; ucsi = devm_kzalloc(dev, sizeof(*ucsi), GFP_KERNEL); @@ -354,14 +353,13 @@ static int pmic_glink_ucsi_probe(struct auxiliary_device *adev, ucsi_set_drvdata(ucsi->ucsi, ucsi); - device_for_each_child_node(dev, fwnode) { + device_for_each_child_node_scoped(dev, fwnode) { struct gpio_desc *desc; u32 port; ret = fwnode_property_read_u32(fwnode, "reg", &port); if (ret < 0) { dev_err(dev, "missing reg property of %pOFn\n", fwnode); - fwnode_handle_put(fwnode); return ret; } @@ -376,11 +374,10 @@ static int pmic_glink_ucsi_probe(struct auxiliary_device *adev, if (!desc) continue; - if (IS_ERR(desc)) { - fwnode_handle_put(fwnode); + if (IS_ERR(desc)) return dev_err_probe(dev, PTR_ERR(desc), "unable to acquire orientation gpio\n"); - } + ucsi->port_orientation[port] = desc; } |