On Jun 03 2016 or thereabouts, Andrew Duggan wrote:
> Increment the refcount for the transport device's of_node before calling
> of_find_node_by_name(). Since of_find_node_by_name() assumes the refcount
> was incremented by the caller and calls of_node_put() when it is done.
That is some weird API. I guess it must be used with:
of_node = of_find_node_by_name(of_node, of_name);
Anyway:
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Cheers,
Benjamin
>
> Signed-off-by: Andrew Duggan <aduggan@xxxxxxxxxxxxx>
> ---
> drivers/input/rmi4/rmi_bus.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
> index b368b05..55b5336 100644
> --- a/drivers/input/rmi4/rmi_bus.c
> +++ b/drivers/input/rmi4/rmi_bus.c
> @@ -157,11 +157,12 @@ static int rmi_function_match(struct device *dev, struct device_driver *drv)
> static void rmi_function_of_probe(struct rmi_function *fn)
> {
> char of_name[9];
> + struct device_node *node = fn->rmi_dev->xport->dev->of_node;
>
> snprintf(of_name, sizeof(of_name), "rmi4-f%02x",
> fn->fd.function_number);
> - fn->dev.of_node = of_find_node_by_name(
> - fn->rmi_dev->xport->dev->of_node, of_name);
> + of_node_get(node);
> + fn->dev.of_node = of_find_node_by_name(node, of_name);
> }
> #else
> static inline void rmi_function_of_probe(struct rmi_function *fn)
> --
> 2.5.0
>
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