From 9e8305b39bfa23a83b932007654097f4676c2ba2 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Tue, 30 Aug 2016 05:00:35 +0200
Subject: Bluetooth: Use numbers for subsystem version string

Instead of keeping a version string around, use version and revision
numbers and then stringify them for use as module parameter.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 69b5174..d705bcf 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -29,7 +29,8 @@
 #include <net/sock.h>
 #include <linux/seq_file.h>
 
-#define BT_SUBSYS_VERSION "2.21"
+#define BT_SUBSYS_VERSION	2
+#define BT_SUBSYS_REVISION	21
 
 #ifndef AF_BLUETOOTH
 #define AF_BLUETOOTH	31
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 1d96ff3..1aff2da 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -26,6 +26,7 @@
 
 #include <linux/module.h>
 #include <linux/debugfs.h>
+#include <linux/stringify.h>
 #include <asm/ioctls.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -713,13 +714,16 @@ static struct net_proto_family bt_sock_family_ops = {
 struct dentry *bt_debugfs;
 EXPORT_SYMBOL_GPL(bt_debugfs);
 
+#define VERSION __stringify(BT_SUBSYS_VERSION) "." \
+		__stringify(BT_SUBSYS_REVISION)
+
 static int __init bt_init(void)
 {
 	int err;
 
 	sock_skb_cb_check_size(sizeof(struct bt_skb_cb));
 
-	BT_INFO("Core ver %s", BT_SUBSYS_VERSION);
+	BT_INFO("Core ver %s", VERSION);
 
 	err = bt_selftest();
 	if (err < 0)
@@ -797,7 +801,7 @@ subsys_initcall(bt_init);
 module_exit(bt_exit);
 
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
-MODULE_DESCRIPTION("Bluetooth Core ver " BT_SUBSYS_VERSION);
-MODULE_VERSION(BT_SUBSYS_VERSION);
+MODULE_DESCRIPTION("Bluetooth Core ver " VERSION);
+MODULE_VERSION(VERSION);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_NETPROTO(PF_BLUETOOTH);
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 804208d..a4227c7 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1117,8 +1117,8 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
 		send_monitor_note(sk, "Linux version %s (%s)",
 				  init_utsname()->release,
 				  init_utsname()->machine);
-		send_monitor_note(sk, "Bluetooth subsystem version %s",
-				  BT_SUBSYS_VERSION);
+		send_monitor_note(sk, "Bluetooth subsystem version %u.%u",
+				  BT_SUBSYS_VERSION, BT_SUBSYS_REVISION);
 		send_monitor_replay(sk);
 		send_monitor_control_replay(sk);
 
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