-static struct file_operations acpi_system_event_ops = {
- .open = acpi_system_open_event,
- .read = acpi_system_read_event,
- .release = acpi_system_close_event,
- .poll = acpi_system_poll_event,
+static const struct file_operations acpi_system_event_ops = {
+ .open = acpi_system_open_event,
+ .read = acpi_system_read_event,
+ .release = acpi_system_close_event,
+ .poll = acpi_system_poll_event,