Re: [PATCH] cpufreq: zynq: Fix refcount leak in zynq_get_revision

[Michal Simek]

On 6/5/22 10:28, Miaoqian Lin wrote:
> of_find_compatible_node() returns a node pointer with refcount
> incremented, we should use of_node_put() on it when done.
> Add missing of_node_put() to avoid refcount leak.
>
> Fixes: 00f7dc636366 ("ARM: zynq: Add support for SOC_BUS")
> Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
> ---
>   arch/arm/mach-zynq/common.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
> index e1ca6a5732d2..15e8a321a713 100644
> --- a/arch/arm/mach-zynq/common.c
> +++ b/arch/arm/mach-zynq/common.c
> @@ -77,6 +77,7 @@ static int __init zynq_get_revision(void)
>   	}
>   
>   	zynq_devcfg_base = of_iomap(np, 0);
> +	of_node_put(np);
>   	if (!zynq_devcfg_base) {
>   		pr_err("%s: Unable to map I/O memory\n", __func__);
>   		return -1;

Applied.
M