The acpi_evaluate_dsm_typed() provides a way to check the type of the
object evaluated by _DSM call. Use it instead of open coded variant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c
index bf527b366ab3..d4cfda07f7fb 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c
@@ -1207,16 +1207,13 @@ static int gmin_get_config_dsm_var(struct device *dev,
if (!strcmp(var, "CamClk"))
return -EINVAL;
- obj = acpi_evaluate_dsm(handle, &atomisp_dsm_guid, 0, 0, NULL);
+ /* Return on unexpected object type */
+ obj = acpi_evaluate_dsm_typed(handle, &atomisp_dsm_guid, 0, 0, NULL, ACPI_TYPE_PACKAGE);
if (!obj) {
dev_info_once(dev, "Didn't find ACPI _DSM table.\n");
return -EINVAL;
}
- /* Return on unexpected object type */
- if (obj->type != ACPI_TYPE_PACKAGE)
- return -EINVAL;
-
#if 0 /* Just for debugging purposes */
for (i = 0; i < obj->package.count; i++) {
union acpi_object *cur = &obj->package.elements[i];
--
2.35.1
