diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 7f676bd..858a443 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -930,7 +930,7 @@
 /*
  * populate the filesystem
  */
-static struct super_operations s_ops = {
+static const struct super_operations s_ops = {
 	.alloc_inode	= rpc_alloc_inode,
 	.destroy_inode	= rpc_destroy_inode,
 	.statfs		= simple_statfs,