diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index feb0fa4..28182ed 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -808,8 +808,7 @@
 	return err;
 }
 
-static struct
-net_proto_family mISDN_sock_family_ops = {
+static const struct net_proto_family mISDN_sock_family_ops = {
 	.owner  = THIS_MODULE,
 	.family = PF_ISDN,
 	.create = mISDN_sock_create,
diff --git a/drivers/net/pppox.c b/drivers/net/pppox.c
index 4f6d33f..c14ee24 100644
--- a/drivers/net/pppox.c
+++ b/drivers/net/pppox.c
@@ -125,7 +125,7 @@
 	return rc;
 }
 
-static struct net_proto_family pppox_proto_family = {
+static const struct net_proto_family pppox_proto_family = {
 	.family	= PF_PPPOX,
 	.create	= pppox_create,
 	.owner	= THIS_MODULE,
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 718394e..04a6908 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -121,7 +121,7 @@
 	rwlock_t          lock;
 };
 
-int  bt_sock_register(int proto, struct net_proto_family *ops);
+int  bt_sock_register(int proto, const struct net_proto_family *ops);
 int  bt_sock_unregister(int proto);
 void bt_sock_link(struct bt_sock_list *l, struct sock *s);
 void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index b1a4290..abe3801 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1821,7 +1821,7 @@
 #endif
 
 
-static struct net_proto_family atalk_family_ops = {
+static const struct net_proto_family atalk_family_ops = {
 	.family		= PF_APPLETALK,
 	.create		= atalk_create,
 	.owner		= THIS_MODULE,
diff --git a/net/atm/pvc.c b/net/atm/pvc.c
index d4c0245..a6e1fdb 100644
--- a/net/atm/pvc.c
+++ b/net/atm/pvc.c
@@ -137,7 +137,7 @@
 }
 
 
-static struct net_proto_family pvc_family_ops = {
+static const struct net_proto_family pvc_family_ops = {
 	.family = PF_ATMPVC,
 	.create = pvc_create,
 	.owner = THIS_MODULE,
diff --git a/net/atm/svc.c b/net/atm/svc.c
index f90d143..8193542 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -666,7 +666,7 @@
 }
 
 
-static struct net_proto_family svc_family_ops = {
+static const struct net_proto_family svc_family_ops = {
 	.family = PF_ATMSVC,
 	.create = svc_create,
 	.owner = THIS_MODULE,
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index f454607..f05306f 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1961,7 +1961,7 @@
 
 #endif
 
-static struct net_proto_family ax25_family_ops = {
+static const struct net_proto_family ax25_family_ops = {
 	.family =	PF_AX25,
 	.create =	ax25_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 8cfb5a8..1f6e49c 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -45,7 +45,7 @@
 
 /* Bluetooth sockets */
 #define BT_MAX_PROTO	8
-static struct net_proto_family *bt_proto[BT_MAX_PROTO];
+static const struct net_proto_family *bt_proto[BT_MAX_PROTO];
 static DEFINE_RWLOCK(bt_proto_lock);
 
 static struct lock_class_key bt_lock_key[BT_MAX_PROTO];
@@ -86,7 +86,7 @@
 				bt_key_strings[proto], &bt_lock_key[proto]);
 }
 
-int bt_sock_register(int proto, struct net_proto_family *ops)
+int bt_sock_register(int proto, const struct net_proto_family *ops)
 {
 	int err = 0;
 
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index e857628..0a2c546 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -222,7 +222,7 @@
 	return 0;
 }
 
-static struct net_proto_family bnep_sock_family_ops = {
+static const struct net_proto_family bnep_sock_family_ops = {
 	.family = PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create = bnep_sock_create
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 16b0fad..de7c804 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -217,7 +217,7 @@
 	return 0;
 }
 
-static struct net_proto_family cmtp_sock_family_ops = {
+static const struct net_proto_family cmtp_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= cmtp_sock_create
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 75302a9..e7395f2 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -687,7 +687,7 @@
 	return NOTIFY_DONE;
 }
 
-static struct net_proto_family hci_sock_family_ops = {
+static const struct net_proto_family hci_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= hci_sock_create,
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 37c9d7d..4beb6a7 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -268,7 +268,7 @@
 	return 0;
 }
 
-static struct net_proto_family hidp_sock_family_ops = {
+static const struct net_proto_family hidp_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= hidp_sock_create
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 555d9da..4b66bd5 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3916,7 +3916,7 @@
 	.getsockopt	= l2cap_sock_getsockopt
 };
 
-static struct net_proto_family l2cap_sock_family_ops = {
+static const struct net_proto_family l2cap_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= l2cap_sock_create,
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 8a20aaf..c707865 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -1101,7 +1101,7 @@
 	.mmap		= sock_no_mmap
 };
 
-static struct net_proto_family rfcomm_sock_family_ops = {
+static const struct net_proto_family rfcomm_sock_family_ops = {
 	.family		= PF_BLUETOOTH,
 	.owner		= THIS_MODULE,
 	.create		= rfcomm_sock_create
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 77f4153..694a655 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -993,7 +993,7 @@
 	.getsockopt	= sco_sock_getsockopt
 };
 
-static struct net_proto_family sco_sock_family_ops = {
+static const struct net_proto_family sco_sock_family_ops = {
 	.family	= PF_BLUETOOTH,
 	.owner	= THIS_MODULE,
 	.create	= sco_sock_create,
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 6068321..3f2eb27 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -842,7 +842,7 @@
 	.func = can_rcv,
 };
 
-static struct net_proto_family can_family_ops __read_mostly = {
+static const struct net_proto_family can_family_ops = {
 	.family = PF_CAN,
 	.create = can_create,
 	.owner  = THIS_MODULE,
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 7a58c87..4d30606 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -2325,7 +2325,7 @@
 };
 #endif
 
-static struct net_proto_family	dn_family_ops = {
+static const struct net_proto_family	dn_family_ops = {
 	.family =	AF_DECnet,
 	.create =	dn_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 0e0254f..6529be3 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -742,7 +742,7 @@
 	return 0;
 }
 
-static struct net_proto_family econet_family_ops = {
+static const struct net_proto_family econet_family_ops = {
 	.family =	PF_ECONET,
 	.create =	econet_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index cd949d5..309348f 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -285,7 +285,7 @@
 	return rc;
 }
 
-static struct net_proto_family ieee802154_family_ops = {
+static const struct net_proto_family ieee802154_family_ops = {
 	.family		= PF_IEEE802154,
 	.create		= ieee802154_create,
 	.owner		= THIS_MODULE,
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 57737b8..1deff48 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -931,7 +931,7 @@
 #endif
 };
 
-static struct net_proto_family inet_family_ops = {
+static const struct net_proto_family inet_family_ops = {
 	.family = PF_INET,
 	.create = inet_create,
 	.owner	= THIS_MODULE,
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index da36497..9421651 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -552,7 +552,7 @@
 #endif
 };
 
-static struct net_proto_family inet6_family_ops = {
+static const struct net_proto_family inet6_family_ops = {
 	.family = PF_INET6,
 	.create = inet6_create,
 	.owner	= THIS_MODULE,
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 66c7a20..6481ee4 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1927,7 +1927,7 @@
  * Socket family declarations
  */
 
-static struct net_proto_family ipx_family_ops = {
+static const struct net_proto_family ipx_family_ops = {
 	.family		= PF_IPX,
 	.create		= ipx_create,
 	.owner		= THIS_MODULE,
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index dd35641..9429e40 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -2463,7 +2463,7 @@
 	return 0;
 }
 
-static struct net_proto_family irda_family_ops = {
+static const struct net_proto_family irda_family_ops = {
 	.family = PF_IRDA,
 	.create = irda_create,
 	.owner	= THIS_MODULE,
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index bada1b9..004134b 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1715,7 +1715,7 @@
 	.getsockopt	= iucv_sock_getsockopt,
 };
 
-static struct net_proto_family iucv_sock_family_ops = {
+static const struct net_proto_family iucv_sock_family_ops = {
 	.family	= AF_IUCV,
 	.owner	= THIS_MODULE,
 	.create	= iucv_sock_create,
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 4e98193..c078ae6 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3644,7 +3644,7 @@
 	.recvmsg	=	pfkey_recvmsg,
 };
 
-static struct net_proto_family pfkey_family_ops = {
+static const struct net_proto_family pfkey_family_ops = {
 	.family	=	PF_KEY,
 	.create	=	pfkey_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 7aa4fd1..4866b4f 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -1092,7 +1092,7 @@
 	return rc;
 }
 
-static struct net_proto_family llc_ui_family_ops = {
+static const struct net_proto_family llc_ui_family_ops = {
 	.family = PF_LLC,
 	.create = llc_ui_create,
 	.owner	= THIS_MODULE,
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 19e9800..0cd2d88 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2050,7 +2050,7 @@
 	.sendpage =	sock_no_sendpage,
 };
 
-static struct net_proto_family netlink_family_ops = {
+static const struct net_proto_family netlink_family_ops = {
 	.family = PF_NETLINK,
 	.create = netlink_create,
 	.owner	= THIS_MODULE,	/* for consistency 8) */
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 7a83495..281fa59 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1372,7 +1372,7 @@
 };
 #endif	/* CONFIG_PROC_FS */
 
-static struct net_proto_family nr_family_ops = {
+static const struct net_proto_family nr_family_ops = {
 	.family		=	PF_NETROM,
 	.create		=	nr_create,
 	.owner		=	THIS_MODULE,
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index efc1174..70073a0 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2399,7 +2399,7 @@
 	.sendpage =	sock_no_sendpage,
 };
 
-static struct net_proto_family packet_family_ops = {
+static const struct net_proto_family packet_family_ops = {
 	.family =	PF_PACKET,
 	.create =	packet_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index f60c0c2..c711d58 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -118,7 +118,7 @@
 	return err;
 }
 
-static struct net_proto_family phonet_proto_family = {
+static const struct net_proto_family phonet_proto_family = {
 	.family = PF_PHONET,
 	.create = pn_socket_create,
 	.owner = THIS_MODULE,
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 98e0538..a202e5b 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -431,7 +431,7 @@
 	sock_put(rds_rs_to_sk(rs));
 }
 
-static struct net_proto_family rds_family_ops = {
+static const struct net_proto_family rds_family_ops = {
 	.family =	AF_RDS,
 	.create =	rds_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 502cce7..c17734c 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1509,7 +1509,7 @@
 };
 #endif	/* CONFIG_PROC_FS */
 
-static struct net_proto_family rose_family_ops = {
+static const struct net_proto_family rose_family_ops = {
 	.family		=	PF_ROSE,
 	.create		=	rose_create,
 	.owner		=	THIS_MODULE,
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index a86afce..6817c97 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -777,7 +777,7 @@
 	.max_header	= sizeof(struct rxrpc_header),
 };
 
-static struct net_proto_family rxrpc_family_ops = {
+static const struct net_proto_family rxrpc_family_ops = {
 	.family	= PF_RXRPC,
 	.create = rxrpc_create,
 	.owner	= THIS_MODULE,
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 51ab497..0f133c5 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2214,7 +2214,7 @@
 
 #endif
 
-static struct net_proto_family unix_family_ops = {
+static const struct net_proto_family unix_family_ops = {
 	.family = PF_UNIX,
 	.create = unix_create,
 	.owner	= THIS_MODULE,
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 7fa9c7a..ebbfe6b 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1476,7 +1476,7 @@
 	return rc;
 }
 
-static struct net_proto_family x25_family_ops = {
+static const struct net_proto_family x25_family_ops = {
 	.family =	AF_X25,
 	.create =	x25_create,
 	.owner	=	THIS_MODULE,