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platform/x86: dell-sysman: Improve instance detection

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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: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230430203153.5587-3-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Armin Wolf 2023-04-30 22:31:53 +02:00 committed by Hans de Goede
parent 2a2b13ae50
commit d7296af803
1 changed files with 5 additions and 8 deletions
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13
drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
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@ -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;
}
/**