[Bluetooth] Make more code static

This patch makes more needlessly global code static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/rfcomm.h

@@ -216,22 +216,6 @@ struct rfcomm_dlc {
 #define RFCOMM_CFC_DISABLED 0
 #define RFCOMM_CFC_ENABLED  RFCOMM_MAX_CREDITS
 
-extern struct task_struct *rfcomm_thread;
-extern unsigned long rfcomm_event;
-
-static inline void rfcomm_schedule(uint event)
-{
-	if (!rfcomm_thread)
-		return;
-	//set_bit(event, &rfcomm_event);
-	set_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
-	wake_up_process(rfcomm_thread);
-}
-
-extern struct semaphore rfcomm_sem;
-#define rfcomm_lock()	down(&rfcomm_sem);
-#define rfcomm_unlock()	up(&rfcomm_sem);
-
 /* ---- RFCOMM DLCs (channels) ---- */
 struct rfcomm_dlc *rfcomm_dlc_alloc(int prio);
 void rfcomm_dlc_free(struct rfcomm_dlc *d);
@@ -271,11 +255,6 @@ static inline void rfcomm_dlc_unthrottle(struct rfcomm_dlc *d)
 }
 
 /* ---- RFCOMM sessions ---- */
-struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state);
-struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst);
-struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err);
-void   rfcomm_session_del(struct rfcomm_session *s);
-void   rfcomm_session_close(struct rfcomm_session *s, int err);
 void   rfcomm_session_getaddr(struct rfcomm_session *s, bdaddr_t *src, bdaddr_t *dst);
 
 static inline void rfcomm_session_hold(struct rfcomm_session *s)
@@ -283,12 +262,6 @@ static inline void rfcomm_session_hold(struct rfcomm_session *s)
 	atomic_inc(&s->refcnt);
 }
 
-static inline void rfcomm_session_put(struct rfcomm_session *s)
-{
-	if (atomic_dec_and_test(&s->refcnt))
-		rfcomm_session_del(s);
-}
-
 /* ---- RFCOMM chechsum ---- */
 extern u8 rfcomm_crc_table[];
 

net/bluetooth/rfcomm/core.c

@@ -61,8 +61,12 @@
 struct proc_dir_entry *proc_bt_rfcomm;
 #endif
 
-struct task_struct *rfcomm_thread;
-DECLARE_MUTEX(rfcomm_sem);
+static struct task_struct *rfcomm_thread;
+
+static DECLARE_MUTEX(rfcomm_sem);
+#define rfcomm_lock()	down(&rfcomm_sem);
+#define rfcomm_unlock()	up(&rfcomm_sem);
+
 unsigned long rfcomm_event;
 
 static LIST_HEAD(session_list);
@@ -81,6 +85,10 @@ static void rfcomm_make_uih(struct sk_buff *skb, u8 addr);
 
 static void rfcomm_process_connect(struct rfcomm_session *s);
 
+static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err);
+static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst);
+static void rfcomm_session_del(struct rfcomm_session *s);
+
 /* ---- RFCOMM frame parsing macros ---- */
 #define __get_dlci(b)     ((b & 0xfc) >> 2)
 #define __get_channel(b)  ((b & 0xf8) >> 3)
@@ -111,6 +119,21 @@ static void rfcomm_process_connect(struct rfcomm_session *s);
 #define __get_rpn_stop_bits(line) (((line) >> 2) & 0x1)
 #define __get_rpn_parity(line)    (((line) >> 3) & 0x3)
 
+static inline void rfcomm_schedule(uint event)
+{
+	if (!rfcomm_thread)
+		return;
+	//set_bit(event, &rfcomm_event);
+	set_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
+	wake_up_process(rfcomm_thread);
+}
+
+static inline void rfcomm_session_put(struct rfcomm_session *s)
+{
+	if (atomic_dec_and_test(&s->refcnt))
+		rfcomm_session_del(s);
+}
+
 /* ---- RFCOMM FCS computation ---- */
 
 /* CRC on 2 bytes */
@@ -458,7 +481,7 @@ int rfcomm_dlc_get_modem_status(struct rfcomm_dlc *d, u8 *v24_sig)
 }
 
 /* ---- RFCOMM sessions ---- */
-struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state)
+static struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state)
 {
 	struct rfcomm_session *s = kmalloc(sizeof(*s), GFP_KERNEL);
 	if (!s)
@@ -487,7 +510,7 @@ struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state)
 	return s;
 }
 
-void rfcomm_session_del(struct rfcomm_session *s)
+static void rfcomm_session_del(struct rfcomm_session *s)
 {
 	int state = s->state;
 
@@ -505,7 +528,7 @@ void rfcomm_session_del(struct rfcomm_session *s)
 		module_put(THIS_MODULE);
 }
 
-struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst)
+static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst)
 {
 	struct rfcomm_session *s;
 	struct list_head *p, *n;
@@ -521,7 +544,7 @@ struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst)
 	return NULL;
 }
 
-void rfcomm_session_close(struct rfcomm_session *s, int err)
+static void rfcomm_session_close(struct rfcomm_session *s, int err)
 {
 	struct rfcomm_dlc *d;
 	struct list_head *p, *n;
@@ -542,7 +565,7 @@ void rfcomm_session_close(struct rfcomm_session *s, int err)
 	rfcomm_session_put(s);
 }
 
-struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err)
+static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst, int *err)
 {
 	struct rfcomm_session *s = NULL;
 	struct sockaddr_l2 addr;

net/bluetooth/rfcomm/sock.c

@@ -393,7 +393,7 @@ static int rfcomm_sock_connect(struct socket *sock, struct sockaddr *addr, int a
 	return err;
 }
 
-int rfcomm_sock_listen(struct socket *sock, int backlog)
+static int rfcomm_sock_listen(struct socket *sock, int backlog)
 {
 	struct sock *sk = sock->sk;
 	int err = 0;
@@ -437,7 +437,7 @@ int rfcomm_sock_listen(struct socket *sock, int backlog)
 	return err;
 }
 
-int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags)
+static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags)
 {
 	DECLARE_WAITQUEUE(wait, current);
 	struct sock *sk = sock->sk, *nsk;