Re: [PATCH] cpuidle: big.LITTLE: add of_node_put()

2018-11-20 Thread Rafael J. Wysocki
On Tue, Nov 20, 2018 at 2:00 PM Yangtao Li  wrote:
>
> use of_node_put() to release the refcount.

I gather that the of_node_put() is missing?

If so, that should be stated in the changelog too.

> Signed-off-by: Yangtao Li 
> ---
>  drivers/cpuidle/cpuidle-big_little.c | 8 ++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/cpuidle/cpuidle-big_little.c 
> b/drivers/cpuidle/cpuidle-big_little.c
> index db2ede565f1a..a3b8bc09bac8 100644
> --- a/drivers/cpuidle/cpuidle-big_little.c
> +++ b/drivers/cpuidle/cpuidle-big_little.c
> @@ -174,8 +174,10 @@ static int __init bl_idle_init(void)
> /*
>  * Initialize the driver just for a compliant set of machines
>  */
> -   if (!of_match_node(compatible_machine_match, root))
> -   return -ENODEV;
> +   if (!of_match_node(compatible_machine_match, root)){
> +   ret = -ENODEV;
> +   goto out_release_node;
> +   }
>
> if (!mcpm_is_available())
> return -EUNATCH;
> @@ -222,6 +224,8 @@ static int __init bl_idle_init(void)
> kfree(bl_idle_big_driver.cpumask);
>  out_uninit_little:
> kfree(bl_idle_little_driver.cpumask);
> +out_release_node:
> +   of_node_put(root);
>
> return ret;
>  }
> --
> 2.17.0
>


[PATCH] cpuidle: big.LITTLE: add of_node_put()

2018-11-20 Thread Yangtao Li
use of_node_put() to release the refcount.

Signed-off-by: Yangtao Li 
---
 drivers/cpuidle/cpuidle-big_little.c | 8 ++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/cpuidle/cpuidle-big_little.c 
b/drivers/cpuidle/cpuidle-big_little.c
index db2ede565f1a..a3b8bc09bac8 100644
--- a/drivers/cpuidle/cpuidle-big_little.c
+++ b/drivers/cpuidle/cpuidle-big_little.c
@@ -174,8 +174,10 @@ static int __init bl_idle_init(void)
/*
 * Initialize the driver just for a compliant set of machines
 */
-   if (!of_match_node(compatible_machine_match, root))
-   return -ENODEV;
+   if (!of_match_node(compatible_machine_match, root)){
+   ret = -ENODEV;
+   goto out_release_node;
+   }
 
if (!mcpm_is_available())
return -EUNATCH;
@@ -222,6 +224,8 @@ static int __init bl_idle_init(void)
kfree(bl_idle_big_driver.cpumask);
 out_uninit_little:
kfree(bl_idle_little_driver.cpumask);
+out_release_node:
+   of_node_put(root);
 
return ret;
 }
-- 
2.17.0