diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c
index 5b1c120..5ec5f44 100644
--- a/drivers/scsi/raid_class.c
+++ b/drivers/scsi/raid_class.c
@@ -115,7 +115,7 @@
 			       raid_remove,
 			       NULL);
 
-static struct {
+static const struct {
 	enum raid_state	value;
 	char		*name;
 } raid_states[] = {