Commit d7296af8 authored by Armin Wolf's avatar Armin Wolf Committed by Hans de Goede
Browse files

platform/x86: dell-sysman: Improve instance detection 



The WMI driver core already knows how many WMI object instances
are available, use this information instead of probing the WMI object
manually.

Compile-tested only.

Signed-off-by: default avatarArmin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230430203153.5587-3-W_Armin@gmx.de


Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent 2a2b13ae

drivers/platform/x86/dell/dell-wmi-sysman/sysman.c

+5 −8
Original line number Diff line number Diff line
@@ -303,16 +303,13 @@ union acpi_object *get_wmiobj_pointer(int instance_id, const char *guid_string) 
 */

int get_instance_count(const char *guid_string)

{

	union acpi_object *wmi_obj = NULL;

	int i = 0;

	int ret;



	do {

		kfree(wmi_obj);

		wmi_obj = get_wmiobj_pointer(i, guid_string);

		i++;

	} while (wmi_obj);

	ret = wmi_instance_count(guid_string);

	if (ret < 0)

		return 0;



	return (i-1);

	return ret;

}



/**