Re: [PATCH 1/5] backlight: 88pm860x_bl: add missing of_node_put

Lee Jones
2015-10-13T08:15:35Z

On Sat, 10 Oct 2015, Julia Lawall wrote:

> for_each_child_of_node performs an of_node_get on each iteration, so
> a break out of the loop requires an of_node_put.
>
> The semantic patch that fixes this problem is as follows
> (http://coccinelle.lip6.fr):
>
> // <smpl>
> @@
> expression root,e;
> local idexpression child;
> iterator name for_each_child_of_node;
> @@
>
> for_each_child_of_node(root, child) {
> ... when != of_node_put(child)
> when != e = child
> + of_node_put(child);
> ? break;
> ...
> }
> ... when != child
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
>
> ---
> drivers/video/backlight/88pm860x_bl.c | 1 +
> 1 file changed, 1 insertion(+)

Applied, thanks.

> diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
> index 2da5862..6d8dc2c 100644
> --- a/drivers/video/backlight/88pm860x_bl.c
> +++ b/drivers/video/backlight/88pm860x_bl.c
> @@ -180,6 +180,7 @@ static int pm860x_backlight_dt_init(struct platform_device *pdev,
> data->iset = PM8606_WLED_CURRENT(iset);
> of_property_read_u32(np, "marvell,88pm860x-pwm",
> &data->pwm);
> + of_node_put(np);
> break;
> }
> }
>

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â”‚ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html