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SubjectRe: [PATCH 7/7] devfreq: exynos-bus: add missing of_node_put after calling of_parse_phandle
Hi Peter,

2016-07-01 18:42 GMT+09:00 Peter Chen <peter.chen@nxp.com>:
> of_node_put needs to be called when the device node which is got
> from of_parse_phandle has finished using.
>
> Cc: Chanwoo Choi <cw00.choi@samsung.com>
> Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
> Cc: Kyungmin Park <kyungmin.park@samsung.com>
> Cc: Kukjin Kim <kgene@kernel.org>
> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> Signed-off-by: Peter Chen <peter.chen@nxp.com>
> ---
> drivers/devfreq/exynos-bus.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
> index 2363d0a..a38b5ec 100644
> --- a/drivers/devfreq/exynos-bus.c
> +++ b/drivers/devfreq/exynos-bus.c
> @@ -383,7 +383,7 @@ err_clk:
> static int exynos_bus_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> - struct device_node *np = dev->of_node;
> + struct device_node *np = dev->of_node, node;
> struct devfreq_dev_profile *profile;
> struct devfreq_simple_ondemand_data *ondemand_data;
> struct devfreq_passive_data *passive_data;
> @@ -415,10 +415,13 @@ static int exynos_bus_probe(struct platform_device *pdev)
> goto err;
> }
>
> - if (of_parse_phandle(dev->of_node, "devfreq", 0))
> + node = of_parse_phandle(dev->of_node, "devfreq", 0);
> + if (node) {
> + of_node_put(node);
> goto passive;
> - else
> + } else {
> ret = exynos_bus_parent_parse_of(np, bus);
> + }
>
> if (ret < 0)
> goto err;

Acked-by: Chanwoo Choi <cw00.choi@samsung.com>

Regards,
Chanwoo Choi

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