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,