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path: root/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
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Diffstat (limited to 'drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c')
-rw-r--r--drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
index 552537852459..c392f0ecf8b5 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
@@ -118,24 +118,38 @@ int alloc_str_data(void)
/**
* populate_str_data() - Populate all properties of an instance under string attribute
- * @str_obj: ACPI object with integer data
+ * @str_obj: ACPI object with string data
* @instance_id: The instance to enumerate
* @attr_name_kobj: The parent kernel object
*/
int populate_str_data(union acpi_object *str_obj, int instance_id, struct kobject *attr_name_kobj)
{
wmi_priv.str_data[instance_id].attr_name_kobj = attr_name_kobj;
+ if (check_property_type(str, ATTR_NAME, ACPI_TYPE_STRING))
+ return -EINVAL;
strlcpy_attr(wmi_priv.str_data[instance_id].attribute_name,
str_obj[ATTR_NAME].string.pointer);
+ if (check_property_type(str, DISPL_NAME_LANG_CODE, ACPI_TYPE_STRING))
+ return -EINVAL;
strlcpy_attr(wmi_priv.str_data[instance_id].display_name_language_code,
str_obj[DISPL_NAME_LANG_CODE].string.pointer);
+ if (check_property_type(str, DISPLAY_NAME, ACPI_TYPE_STRING))
+ return -EINVAL;
strlcpy_attr(wmi_priv.str_data[instance_id].display_name,
str_obj[DISPLAY_NAME].string.pointer);
+ if (check_property_type(str, DEFAULT_VAL, ACPI_TYPE_STRING))
+ return -EINVAL;
strlcpy_attr(wmi_priv.str_data[instance_id].default_value,
str_obj[DEFAULT_VAL].string.pointer);
+ if (check_property_type(str, MODIFIER, ACPI_TYPE_STRING))
+ return -EINVAL;
strlcpy_attr(wmi_priv.str_data[instance_id].dell_modifier,
str_obj[MODIFIER].string.pointer);
+ if (check_property_type(str, MIN_LEN, ACPI_TYPE_INTEGER))
+ return -EINVAL;
wmi_priv.str_data[instance_id].min_length = (uintptr_t)str_obj[MIN_LEN].string.pointer;
+ if (check_property_type(str, MAX_LEN, ACPI_TYPE_INTEGER))
+ return -EINVAL;
wmi_priv.str_data[instance_id].max_length = (uintptr_t) str_obj[MAX_LEN].string.pointer;
return sysfs_create_group(attr_name_kobj, &str_attr_group);