diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 4336adb..c81249f 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -458,7 +458,7 @@
 	nlm_put_lockowner(fl->fl_u.nfs_fl.owner);
 }
 
-static struct file_lock_operations nlmclnt_lock_ops = {
+static const struct file_lock_operations nlmclnt_lock_ops = {
 	.fl_copy_lock = nlmclnt_locks_copy_lock,
 	.fl_release_private = nlmclnt_locks_release_private,
 };