diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
index 0285b47d99d1..b68dd11cb892 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
@@ -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;
 }
 
 /**