diff mbox series

[v3,1/4] platform/x86: hp-bioscfg: Simplify return check in hp_add_other_attributes()

Message ID 20231113185852.3579970-1-harshit.m.mogalapalli@oracle.com
State New
Headers
Series [v3,1/4] platform/x86: hp-bioscfg: Simplify return check in hp_add_other_attributes() |

Commit Message

Harshit Mogalapalli Nov. 13, 2023, 6:58 p.m. UTC 
  All cases in switch-case have a same goto on error, move the return
check out of the switch. This is a cleanup.

Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
---
 drivers/platform/x86/hp/hp-bioscfg/bioscfg.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

Comments

Ilpo Järvinen Nov. 13, 2023, 7:10 p.m. UTC | #1 
On Mon, 13 Nov 2023, Harshit Mogalapalli wrote:

> All cases in switch-case have a same goto on error, move the return
> check out of the switch. This is a cleanup.
> 
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
> ---
>  drivers/platform/x86/hp/hp-bioscfg/bioscfg.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
> index 5798b49ddaba..10676e1abc28 100644
> --- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
> +++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
> @@ -575,81 +575,79 @@ static void release_attributes_data(void)
>  /**
>   * hp_add_other_attributes() - Initialize HP custom attributes not
>   * reported by BIOS and required to support Secure Platform and Sure
>   * Start.
>   *
>   * @attr_type: Custom HP attribute not reported by BIOS
>   *
>   * Initialize all 2 types of attributes: Platform and Sure Start
>   * object.  Populates each attribute types respective properties
>   * under sysfs files.
>   *
>   * Returns zero(0) if successful. Otherwise, a negative value.
>   */
>  static int hp_add_other_attributes(int attr_type)
>  {
>  	struct kobject *attr_name_kobj;
>  	union acpi_object *obj = NULL;
>  	int ret;
>  	char *attr_name;
>  
>  	mutex_lock(&bioscfg_drv.mutex);
>  
>  	attr_name_kobj = kzalloc(sizeof(*attr_name_kobj), GFP_KERNEL);
>  	if (!attr_name_kobj) {
>  		ret = -ENOMEM;
>  		goto err_other_attr_init;
>  	}
>  
>  	/* Check if attribute type is supported */
>  	switch (attr_type) {
>  	case HPWMI_SECURE_PLATFORM_TYPE:
>  		attr_name_kobj->kset = bioscfg_drv.authentication_dir_kset;
>  		attr_name = SPM_STR;
>  		break;
>  
>  	case HPWMI_SURE_START_TYPE:
>  		attr_name_kobj->kset = bioscfg_drv.main_dir_kset;
>  		attr_name = SURE_START_STR;
>  		break;
>  
>  	default:
>  		pr_err("Error: Unknown attr_type: %d\n", attr_type);
>  		ret = -EINVAL;
>  		goto err_other_attr_init;
>  	}
>  
>  	ret = kobject_init_and_add(attr_name_kobj, &attr_name_ktype,
>  				   NULL, "%s", attr_name);
>  	if (ret) {
>  		pr_err("Error encountered [%d]\n", ret);
>  		kobject_put(attr_name_kobj);
>  		goto err_other_attr_init;
>  	}
>  
>  	/* Populate attribute data */
>  	switch (attr_type) {
>  	case HPWMI_SECURE_PLATFORM_TYPE:
>  		ret = hp_populate_secure_platform_data(attr_name_kobj);
> -		if (ret)
> -			goto err_other_attr_init;
>  		break;
>  
>  	case HPWMI_SURE_START_TYPE:
>  		ret = hp_populate_sure_start_data(attr_name_kobj);
> -		if (ret)
> -			goto err_other_attr_init;
>  		break;
>  
>  	default:
>  		ret = -EINVAL;
> -		goto err_other_attr_init;
>  	}
>  
> +	if (ret)
> +		goto err_other_attr_init;
> +
>  	mutex_unlock(&bioscfg_drv.mutex);
>  	return 0;

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
diff mbox series

Patch

diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
index 5798b49ddaba..10676e1abc28 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
@@ -575,81 +575,79 @@  static void release_attributes_data(void)
 /**
  * hp_add_other_attributes() - Initialize HP custom attributes not
  * reported by BIOS and required to support Secure Platform and Sure
  * Start.
  *
  * @attr_type: Custom HP attribute not reported by BIOS
  *
  * Initialize all 2 types of attributes: Platform and Sure Start
  * object.  Populates each attribute types respective properties
  * under sysfs files.
  *
  * Returns zero(0) if successful. Otherwise, a negative value.
  */
 static int hp_add_other_attributes(int attr_type)
 {
 	struct kobject *attr_name_kobj;
 	union acpi_object *obj = NULL;
 	int ret;
 	char *attr_name;
 
 	mutex_lock(&bioscfg_drv.mutex);
 
 	attr_name_kobj = kzalloc(sizeof(*attr_name_kobj), GFP_KERNEL);
 	if (!attr_name_kobj) {
 		ret = -ENOMEM;
 		goto err_other_attr_init;
 	}
 
 	/* Check if attribute type is supported */
 	switch (attr_type) {
 	case HPWMI_SECURE_PLATFORM_TYPE:
 		attr_name_kobj->kset = bioscfg_drv.authentication_dir_kset;
 		attr_name = SPM_STR;
 		break;
 
 	case HPWMI_SURE_START_TYPE:
 		attr_name_kobj->kset = bioscfg_drv.main_dir_kset;
 		attr_name = SURE_START_STR;
 		break;
 
 	default:
 		pr_err("Error: Unknown attr_type: %d\n", attr_type);
 		ret = -EINVAL;
 		goto err_other_attr_init;
 	}
 
 	ret = kobject_init_and_add(attr_name_kobj, &attr_name_ktype,
 				   NULL, "%s", attr_name);
 	if (ret) {
 		pr_err("Error encountered [%d]\n", ret);
 		kobject_put(attr_name_kobj);
 		goto err_other_attr_init;
 	}
 
 	/* Populate attribute data */
 	switch (attr_type) {
 	case HPWMI_SECURE_PLATFORM_TYPE:
 		ret = hp_populate_secure_platform_data(attr_name_kobj);
-		if (ret)
-			goto err_other_attr_init;
 		break;
 
 	case HPWMI_SURE_START_TYPE:
 		ret = hp_populate_sure_start_data(attr_name_kobj);
-		if (ret)
-			goto err_other_attr_init;
 		break;
 
 	default:
 		ret = -EINVAL;
-		goto err_other_attr_init;
 	}
 
+	if (ret)
+		goto err_other_attr_init;
+
 	mutex_unlock(&bioscfg_drv.mutex);
 	return 0;
 
 err_other_attr_init:
 	mutex_unlock(&bioscfg_drv.mutex);
 	kfree(obj);
 	return ret;
 }