diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index bfa910b..ed76d4a 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -2304,7 +2304,7 @@
 	return 0;
 }
 
-static struct seq_operations dn_socket_seq_ops = {
+static const struct seq_operations dn_socket_seq_ops = {
 	.start	= dn_socket_seq_start,
 	.next	= dn_socket_seq_next,
 	.stop	= dn_socket_seq_stop,
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index e31549e..fa6604f 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -1416,7 +1416,7 @@
 	return 0;
 }
 
-static struct seq_operations dn_dev_seq_ops = {
+static const struct seq_operations dn_dev_seq_ops = {
 	.start	= dn_dev_seq_start,
 	.next	= dn_dev_seq_next,
 	.stop	= dn_dev_seq_stop,
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 4bf066c..174d8a7 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -569,7 +569,7 @@
 			       NEIGH_SEQ_NEIGH_ONLY);
 }
 
-static struct seq_operations dn_neigh_seq_ops = {
+static const struct seq_operations dn_neigh_seq_ops = {
 	.start = dn_neigh_seq_start,
 	.next  = neigh_seq_next,
 	.stop  = neigh_seq_stop,
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index a8bf106..82622fb 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1726,7 +1726,7 @@
 	return 0;
 }
 
-static struct seq_operations dn_rt_cache_seq_ops = {
+static const struct seq_operations dn_rt_cache_seq_ops = {
 	.start	= dn_rt_cache_seq_start,
 	.next	= dn_rt_cache_seq_next,
 	.stop	= dn_rt_cache_seq_stop,