diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c
index 1c4a8fe87dd86cdd6aa4adafae9137cbf9e4be4e..b3fbc3c35c59b9009f6ba1fbc0d23190c931ae4f 100644
--- a/drivers/staging/lustre/lustre/obdecho/echo_client.c
+++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c
@@ -319,7 +319,7 @@ static void echo_lock_fini(const struct lu_env *env,
 	kmem_cache_free(echo_lock_kmem, ecl);
 }
 
-static struct cl_lock_operations echo_lock_ops = {
+static const struct cl_lock_operations echo_lock_ops = {
 	.clo_fini      = echo_lock_fini,
 };