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: 9fb29c734f9e ("ARM: milbeaut: Add basic support for Milbeaut m10v SoC")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 arch/arm/mach-milbeaut/platsmp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-milbeaut/platsmp.c b/arch/arm/mach-milbeaut/platsmp.c
index 3ea880f5fcb7..1f1ff21c7140 100644
--- a/arch/arm/mach-milbeaut/platsmp.c
+++ b/arch/arm/mach-milbeaut/platsmp.c
@@ -53,6 +53,7 @@ static void m10v_smp_init(unsigned int max_cpus)
 		return;
 
 	m10v_smp_base = of_iomap(np, 0);
+	of_node_put(np);
 	if (!m10v_smp_base)
 		return;
 
-- 
2.25.1

Thank you for the patch!

Acked-by: Sugaya Taichi <sugaya.taichi@socionext.com>


On 2022/05/12 17:15, 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: 9fb29c734f9e ("ARM: milbeaut: Add basic support for Milbeaut m10v SoC")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
> ---
>   arch/arm/mach-milbeaut/platsmp.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/mach-milbeaut/platsmp.c b/arch/arm/mach-milbeaut/platsmp.c
> index 3ea880f5fcb7..1f1ff21c7140 100644
> --- a/arch/arm/mach-milbeaut/platsmp.c
> +++ b/arch/arm/mach-milbeaut/platsmp.c
> @@ -53,6 +53,7 @@ static void m10v_smp_init(unsigned int max_cpus)
>   		return;
>   
>   	m10v_smp_base = of_iomap(np, 0);
> +	of_node_put(np);
>   	if (!m10v_smp_base)
>   		return;
>   
>