Re: [PATCH] misc:ti_fpc202:fix a potential memory leak in probe function

From: Romain Gantois
Date: Fri Dec 26 2025 - 04:02:04 EST


Hello Felix,


On Thursday, 25 December 2025 16:02:56 CET Felix Gu wrote:

> Use for_each_child_of_node_scoped() to simplify the code and ensure the

> device node reference is automatically released when the loop scope

> ends.

>


Nit: please put spaces between the tags in the commit log title, like so:


"misc: ti_fpc202: fix a potential memory leak ..."


> Signed-off-by: Felix Gu <gu_0233@xxxxxx>

> ---

>  drivers/misc/ti_fpc202.c | 3 +--

>  1 file changed, 1 insertion(+), 2 deletions(-)

>

> diff --git a/drivers/misc/ti_fpc202.c b/drivers/misc/ti_fpc202.c

> index 7964e46c7448..8eb2b5ac9850 100644

> --- a/drivers/misc/ti_fpc202.c

> +++ b/drivers/misc/ti_fpc202.c

> @@ -309,7 +309,6 @@ static void fpc202_remove_port(struct fpc202_priv *priv,

> int port_id) static int fpc202_probe(struct i2c_client *client)

>  {

>      struct device *dev = &client->dev;

> -    struct device_node *i2c_handle;

>      struct fpc202_priv *priv;

>      int ret, port_id;

>

> @@ -357,7 +356,7 @@ static int fpc202_probe(struct i2c_client *client)

>

>      bitmap_zero(priv->probed_ports, FPC202_NUM_PORTS);

>

> -    for_each_child_of_node(dev->of_node, i2c_handle) {

> +    for_each_child_of_node_scoped(dev->of_node, i2c_handle) {

>          ret = of_property_read_u32(i2c_handle, "reg", &port_id);

>          if (ret) {

>              if (ret == -EINVAL)


With the above fixed:


Reviewed-by: Romain Gantois <romain.gantois@xxxxxxxxxxx>



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