The thermal subsystem initialization miss an netlink unregistering
function in the error. Add it.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/thermal/thermal_core.c    | 4 +++-
 drivers/thermal/thermal_netlink.c | 5 +++++
 drivers/thermal/thermal_netlink.h | 3 +++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index d9a3d9566d73..fddafcee5e6f 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1606,7 +1606,7 @@ static int __init thermal_init(void)
 
 	result = thermal_register_governors();
 	if (result)
-		goto error;
+		goto unregister_netlink;
 
 	result = class_register(&thermal_class);
 	if (result)
@@ -1621,6 +1621,8 @@ static int __init thermal_init(void)
 
 unregister_governors:
 	thermal_unregister_governors();
+unregister_netlink:
+	thermal_netlink_exit();
 error:
 	ida_destroy(&thermal_tz_ida);
 	ida_destroy(&thermal_cdev_ida);
diff --git a/drivers/thermal/thermal_netlink.c b/drivers/thermal/thermal_netlink.c
index 75943b06dbe7..08bc46c3ec7b 100644
--- a/drivers/thermal/thermal_netlink.c
+++ b/drivers/thermal/thermal_netlink.c
@@ -699,3 +699,8 @@ int __init thermal_netlink_init(void)
 {
 	return genl_register_family(&thermal_gnl_family);
 }
+
+void __init thermal_netlink_exit(void)
+{
+	genl_unregister_family(&thermal_gnl_family);
+}
diff --git a/drivers/thermal/thermal_netlink.h b/drivers/thermal/thermal_netlink.h
index 1052f523188d..0a9987c3bc57 100644
--- a/drivers/thermal/thermal_netlink.h
+++ b/drivers/thermal/thermal_netlink.h
@@ -13,6 +13,7 @@ struct thermal_genl_cpu_caps {
 /* Netlink notification function */
 #ifdef CONFIG_THERMAL_NETLINK
 int __init thermal_netlink_init(void);
+void __init thermal_netlink_exit(void);
 int thermal_notify_tz_create(int tz_id, const char *name);
 int thermal_notify_tz_delete(int tz_id);
 int thermal_notify_tz_enable(int tz_id);
@@ -115,4 +116,6 @@ static inline int thermal_genl_cpu_capability_event(int count, struct thermal_ge
 	return 0;
 }
 
+static inline void __init thermal_netlink_exit(void) {}
+
 #endif /* CONFIG_THERMAL_NETLINK */
-- 
2.34.1

On Mon, 2023-01-23 at 16:27 +0100, Daniel Lezcano wrote:
> The thermal subsystem initialization miss an netlink

s/miss an netlink/misses a netlink

other than that, the patch looks good to me.

Reviewed-by: Zhang Rui <rui.zhang@intel.com>

-rui

>  unregistering
> function in the error. Add it.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> ---
>  drivers/thermal/thermal_core.c    | 4 +++-
>  drivers/thermal/thermal_netlink.c | 5 +++++
>  drivers/thermal/thermal_netlink.h | 3 +++
>  3 files changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/thermal_core.c
> b/drivers/thermal/thermal_core.c
> index d9a3d9566d73..fddafcee5e6f 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -1606,7 +1606,7 @@ static int __init thermal_init(void)
>  
>  	result = thermal_register_governors();
>  	if (result)
> -		goto error;
> +		goto unregister_netlink;
>  
>  	result = class_register(&thermal_class);
>  	if (result)
> @@ -1621,6 +1621,8 @@ static int __init thermal_init(void)
>  
>  unregister_governors:
>  	thermal_unregister_governors();
> +unregister_netlink:
> +	thermal_netlink_exit();
>  error:
>  	ida_destroy(&thermal_tz_ida);
>  	ida_destroy(&thermal_cdev_ida);
> diff --git a/drivers/thermal/thermal_netlink.c
> b/drivers/thermal/thermal_netlink.c
> index 75943b06dbe7..08bc46c3ec7b 100644
> --- a/drivers/thermal/thermal_netlink.c
> +++ b/drivers/thermal/thermal_netlink.c
> @@ -699,3 +699,8 @@ int __init thermal_netlink_init(void)
>  {
>  	return genl_register_family(&thermal_gnl_family);
>  }
> +
> +void __init thermal_netlink_exit(void)
> +{
> +	genl_unregister_family(&thermal_gnl_family);
> +}
> diff --git a/drivers/thermal/thermal_netlink.h
> b/drivers/thermal/thermal_netlink.h
> index 1052f523188d..0a9987c3bc57 100644
> --- a/drivers/thermal/thermal_netlink.h
> +++ b/drivers/thermal/thermal_netlink.h
> @@ -13,6 +13,7 @@ struct thermal_genl_cpu_caps {
>  /* Netlink notification function */
>  #ifdef CONFIG_THERMAL_NETLINK
>  int __init thermal_netlink_init(void);
> +void __init thermal_netlink_exit(void);
>  int thermal_notify_tz_create(int tz_id, const char *name);
>  int thermal_notify_tz_delete(int tz_id);
>  int thermal_notify_tz_enable(int tz_id);
> @@ -115,4 +116,6 @@ static inline int
> thermal_genl_cpu_capability_event(int count, struct thermal_ge
>  	return 0;
>  }
>  
> +static inline void __init thermal_netlink_exit(void) {}
> +
>  #endif /* CONFIG_THERMAL_NETLINK */