[XFRM]: Staticize, and remove unused global functions.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/xfrm.h

@@ -843,7 +843,6 @@ static inline int xfrm_dst_lookup(struct xfrm_dst **dst, struct flowi *fl, unsig
 } 
 #endif
 
-void xfrm_policy_init(void);
 struct xfrm_policy *xfrm_policy_alloc(int gfp);
 extern int xfrm_policy_walk(int (*func)(struct xfrm_policy *, int, int, void*), void *);
 int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
@@ -858,12 +857,9 @@ struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto,
 				  int create, unsigned short family);
 extern void xfrm_policy_flush(void);
 extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
-extern struct xfrm_policy *xfrm_sk_policy_lookup(struct sock *sk, int dir, struct flowi *fl);
 extern int xfrm_flush_bundles(void);
 
 extern wait_queue_head_t km_waitq;
-extern void km_state_expired(struct xfrm_state *x, int hard);
-extern int km_query(struct xfrm_state *x, struct xfrm_tmpl *, struct xfrm_policy *pol);
 extern int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport);
 extern void km_policy_expired(struct xfrm_policy *pol, int dir, int hard);
 
@@ -875,7 +871,6 @@ extern int xfrm_count_auth_supported(void);
 extern int xfrm_count_enc_supported(void);
 extern struct xfrm_algo_desc *xfrm_aalg_get_byidx(unsigned int idx);
 extern struct xfrm_algo_desc *xfrm_ealg_get_byidx(unsigned int idx);
-extern struct xfrm_algo_desc *xfrm_calg_get_byidx(unsigned int idx);
 extern struct xfrm_algo_desc *xfrm_aalg_get_byid(int alg_id);
 extern struct xfrm_algo_desc *xfrm_ealg_get_byid(int alg_id);
 extern struct xfrm_algo_desc *xfrm_calg_get_byid(int alg_id);

net/xfrm/xfrm_algo.c

@@ -416,14 +416,6 @@ struct xfrm_algo_desc *xfrm_ealg_get_byidx(unsigned int idx)
 	return &ealg_list[idx];
 }
 
-struct xfrm_algo_desc *xfrm_calg_get_byidx(unsigned int idx)
-{
-	if (idx >= calg_entries())
-		return NULL;
-
-	return &calg_list[idx];
-}
-
 /*
  * Probe for the availability of crypto algorithms, and set the available
  * flag for any algorithms found on the system.  This is typically called by

net/xfrm/xfrm_export.c

@@ -53,7 +53,6 @@ EXPORT_SYMBOL_GPL(xfrm_count_auth_supported);
 EXPORT_SYMBOL_GPL(xfrm_count_enc_supported);
 EXPORT_SYMBOL_GPL(xfrm_aalg_get_byidx);
 EXPORT_SYMBOL_GPL(xfrm_ealg_get_byidx);
-EXPORT_SYMBOL_GPL(xfrm_calg_get_byidx);
 EXPORT_SYMBOL_GPL(xfrm_aalg_get_byid);
 EXPORT_SYMBOL_GPL(xfrm_ealg_get_byid);
 EXPORT_SYMBOL_GPL(xfrm_calg_get_byid);

net/xfrm/xfrm_policy.c

@@ -33,7 +33,7 @@ struct xfrm_policy *xfrm_policy_list[XFRM_POLICY_MAX*2];
 static rwlock_t xfrm_policy_afinfo_lock = RW_LOCK_UNLOCKED;
 static struct xfrm_policy_afinfo *xfrm_policy_afinfo[NPROTO];
 
-kmem_cache_t *xfrm_dst_cache;
+static kmem_cache_t *xfrm_dst_cache;
 
 static struct work_struct xfrm_policy_gc_work;
 static struct list_head xfrm_policy_gc_list =
@@ -498,7 +498,7 @@ static void xfrm_policy_lookup(struct flowi *fl, u16 family, u8 dir,
 		*obj_refp = &pol->refcnt;
 }
 
-struct xfrm_policy *xfrm_sk_policy_lookup(struct sock *sk, int dir, struct flowi *fl)
+static struct xfrm_policy *xfrm_sk_policy_lookup(struct sock *sk, int dir, struct flowi *fl)
 {
 	struct xfrm_policy *pol;
 
@@ -1222,13 +1222,13 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
 	return NOTIFY_DONE;
 }
 
-struct notifier_block xfrm_dev_notifier = {
+static struct notifier_block xfrm_dev_notifier = {
 	xfrm_dev_event,
 	NULL,
 	0
 };
 
-void __init xfrm_policy_init(void)
+static void __init xfrm_policy_init(void)
 {
 	xfrm_dst_cache = kmem_cache_create("xfrm_dst_cache",
 					   sizeof(struct xfrm_dst),

net/xfrm/xfrm_state.c

@@ -51,6 +51,9 @@ static void __xfrm_state_delete(struct xfrm_state *x);
 static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned short family);
 static void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
 
+static int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol);
+static void km_state_expired(struct xfrm_state *x, int hard);
+
 static void xfrm_state_gc_destroy(struct xfrm_state *x)
 {
 	if (del_timer(&x->timer))
@@ -746,7 +749,7 @@ void xfrm_replay_advance(struct xfrm_state *x, u32 seq)
 static struct list_head xfrm_km_list = LIST_HEAD_INIT(xfrm_km_list);
 static rwlock_t		xfrm_km_lock = RW_LOCK_UNLOCKED;
 
-void km_state_expired(struct xfrm_state *x, int hard)
+static void km_state_expired(struct xfrm_state *x, int hard)
 {
 	struct xfrm_mgr *km;
 
@@ -764,7 +767,7 @@ void km_state_expired(struct xfrm_state *x, int hard)
 		wake_up(&km_waitq);
 }
 
-int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol)
+static int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol)
 {
 	int err = -EINVAL;
 	struct xfrm_mgr *km;

net/xfrm/xfrm_user.c

@@ -1128,8 +1128,8 @@ static int xfrm_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *xt,
 /* User gives us xfrm_user_policy_info followed by an array of 0
  * or more templates.
  */
-struct xfrm_policy *xfrm_compile_policy(u16 family, int opt,
-                                        u8 *data, int len, int *dir)
+static struct xfrm_policy *xfrm_compile_policy(u16 family, int opt,
+					       u8 *data, int len, int *dir)
 {
 	struct xfrm_userpolicy_info *p = (struct xfrm_userpolicy_info *)data;
 	struct xfrm_user_tmpl *ut = (struct xfrm_user_tmpl *) (p + 1);