diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 1686dc7..d3f0f94 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -19,7 +19,7 @@
 #endif
 
 static DEFINE_SPINLOCK(rpc_authflavor_lock);
-static struct rpc_authops *	auth_flavors[RPC_AUTH_MAXFLAVOR] = {
+static const struct rpc_authops *auth_flavors[RPC_AUTH_MAXFLAVOR] = {
 	&authnull_ops,		/* AUTH_NULL */
 	&authunix_ops,		/* AUTH_UNIX */
 	NULL,			/* others can be loadable modules */
@@ -33,7 +33,7 @@
 }
 
 int
-rpcauth_register(struct rpc_authops *ops)
+rpcauth_register(const struct rpc_authops *ops)
 {
 	rpc_authflavor_t flavor;
 	int ret = -EPERM;
@@ -50,7 +50,7 @@
 }
 
 int
-rpcauth_unregister(struct rpc_authops *ops)
+rpcauth_unregister(const struct rpc_authops *ops)
 {
 	rpc_authflavor_t flavor;
 	int ret = -EPERM;
@@ -70,7 +70,7 @@
 rpcauth_create(rpc_authflavor_t pseudoflavor, struct rpc_clnt *clnt)
 {
 	struct rpc_auth		*auth;
-	struct rpc_authops	*ops;
+	const struct rpc_authops *ops;
 	u32			flavor = pseudoflavor_to_flavor(pseudoflavor);
 
 	auth = ERR_PTR(-EINVAL);
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 459dc9b..177a9e4 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -54,9 +54,9 @@
 #include <linux/sunrpc/gss_api.h>
 #include <asm/uaccess.h>
 
-static struct rpc_authops authgss_ops;
+static const struct rpc_authops authgss_ops;
 
-static struct rpc_credops gss_credops;
+static const struct rpc_credops gss_credops;
 
 #ifdef RPC_DEBUG
 # define RPCDBG_FACILITY	RPCDBG_AUTH
@@ -1193,7 +1193,7 @@
 	return status;
 }
 
-static struct rpc_authops authgss_ops = {
+static const struct rpc_authops authgss_ops = {
 	.owner		= THIS_MODULE,
 	.au_flavor	= RPC_AUTH_GSS,
 #ifdef RPC_DEBUG
@@ -1205,7 +1205,7 @@
 	.crcreate	= gss_create_cred
 };
 
-static struct rpc_credops gss_credops = {
+static const struct rpc_credops gss_credops = {
 	.cr_name	= "AUTH_GSS",
 	.crdestroy	= gss_destroy_cred,
 	.cr_init	= gss_cred_init,
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 7b19432..71b9dae 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -201,7 +201,7 @@
 	kfree(kctx);
 }
 
-static struct gss_api_ops gss_kerberos_ops = {
+static const struct gss_api_ops gss_kerberos_ops = {
 	.gss_import_sec_context	= gss_import_sec_context_kerberos,
 	.gss_get_mic		= gss_get_mic_kerberos,
 	.gss_verify_mic		= gss_verify_mic_kerberos,
diff --git a/net/sunrpc/auth_gss/gss_spkm3_mech.c b/net/sunrpc/auth_gss/gss_spkm3_mech.c
index 7e15aa6..577d590 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_mech.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_mech.c
@@ -202,7 +202,7 @@
 	return err;
 }
 
-static struct gss_api_ops gss_spkm3_ops = {
+static const struct gss_api_ops gss_spkm3_ops = {
 	.gss_import_sec_context	= gss_import_sec_context_spkm3,
 	.gss_get_mic		= gss_get_mic_spkm3,
 	.gss_verify_mic		= gss_verify_mic_spkm3,
diff --git a/net/sunrpc/auth_null.c b/net/sunrpc/auth_null.c
index 890bd9b..fe9b6aa 100644
--- a/net/sunrpc/auth_null.c
+++ b/net/sunrpc/auth_null.c
@@ -101,7 +101,7 @@
 	return p;
 }
 
-struct rpc_authops authnull_ops = {
+const struct rpc_authops authnull_ops = {
 	.owner		= THIS_MODULE,
 	.au_flavor	= RPC_AUTH_NULL,
 #ifdef RPC_DEBUG
@@ -122,7 +122,7 @@
 };
 
 static
-struct rpc_credops	null_credops = {
+const struct rpc_credops null_credops = {
 	.cr_name	= "AUTH_NULL",
 	.crdestroy	= nul_destroy_cred,
 	.crmatch	= nul_match,
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index e54782e..6600c7a 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -34,7 +34,7 @@
 
 static struct rpc_auth		unix_auth;
 static struct rpc_cred_cache	unix_cred_cache;
-static struct rpc_credops	unix_credops;
+static const struct rpc_credops	unix_credops;
 
 static struct rpc_auth *
 unx_create(struct rpc_clnt *clnt, rpc_authflavor_t flavor)
@@ -205,7 +205,7 @@
 	return p;
 }
 
-struct rpc_authops	authunix_ops = {
+const struct rpc_authops authunix_ops = {
 	.owner		= THIS_MODULE,
 	.au_flavor	= RPC_AUTH_UNIX,
 #ifdef RPC_DEBUG
@@ -233,7 +233,7 @@
 };
 
 static
-struct rpc_credops	unix_credops = {
+const struct rpc_credops unix_credops = {
 	.cr_name	= "AUTH_UNIX",
 	.crdestroy	= unx_destroy_cred,
 	.crmatch	= unx_match,