aboutsummaryrefslogtreecommitdiff
path: root/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c')
-rw-r--r--drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
index 834b3e82ad9f..230e6ee96636 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
@@ -159,10 +159,16 @@ int alloc_po_data(void)
int populate_po_data(union acpi_object *po_obj, int instance_id, struct kobject *attr_name_kobj)
{
wmi_priv.po_data[instance_id].attr_name_kobj = attr_name_kobj;
+ if (check_property_type(po, ATTR_NAME, ACPI_TYPE_STRING))
+ return -EINVAL;
strlcpy_attr(wmi_priv.po_data[instance_id].attribute_name,
po_obj[ATTR_NAME].string.pointer);
+ if (check_property_type(po, MIN_PASS_LEN, ACPI_TYPE_INTEGER))
+ return -EINVAL;
wmi_priv.po_data[instance_id].min_password_length =
(uintptr_t)po_obj[MIN_PASS_LEN].string.pointer;
+ if (check_property_type(po, MAX_PASS_LEN, ACPI_TYPE_INTEGER))
+ return -EINVAL;
wmi_priv.po_data[instance_id].max_password_length =
(uintptr_t) po_obj[MAX_PASS_LEN].string.pointer;