xfrm: remove unneeded export_symbols

None of them have any external callers, make them static.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

include/net/xfrm.h

@@ -1568,7 +1568,6 @@ static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)
 int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb);
 int xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int xfrm4_output_finish(struct sock *sk, struct sk_buff *skb);
-int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err);
 int xfrm4_protocol_register(struct xfrm4_protocol *handler, unsigned char protocol);
 int xfrm4_protocol_deregister(struct xfrm4_protocol *handler, unsigned char protocol);
 int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family);
@@ -1584,7 +1583,6 @@ int xfrm6_rcv(struct sk_buff *skb);
 int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
 		     xfrm_address_t *saddr, u8 proto);
 void xfrm6_local_error(struct sk_buff *skb, u32 mtu);
-int xfrm6_rcv_cb(struct sk_buff *skb, u8 protocol, int err);
 int xfrm6_protocol_register(struct xfrm6_protocol *handler, unsigned char protocol);
 int xfrm6_protocol_deregister(struct xfrm6_protocol *handler, unsigned char protocol);
 int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family);

net/ipv4/xfrm4_protocol.c

@@ -46,7 +46,7 @@ static inline struct xfrm4_protocol __rcu **proto_handlers(u8 protocol)
 	     handler != NULL;				\
 	     handler = rcu_dereference(handler->next))	\
 
-int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
+static int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
 {
 	int ret;
 	struct xfrm4_protocol *handler;
@@ -61,7 +61,6 @@ int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
 
 	return 0;
 }
-EXPORT_SYMBOL(xfrm4_rcv_cb);
 
 int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
 		    int encap_type)

net/ipv6/xfrm6_protocol.c

@@ -46,7 +46,7 @@ static inline struct xfrm6_protocol __rcu **proto_handlers(u8 protocol)
 	     handler != NULL;				\
 	     handler = rcu_dereference(handler->next))	\
 
-int xfrm6_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
+static int xfrm6_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
 {
 	int ret;
 	struct xfrm6_protocol *handler;
@@ -61,7 +61,6 @@ int xfrm6_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
 
 	return 0;
 }
-EXPORT_SYMBOL(xfrm6_rcv_cb);
 
 static int xfrm6_esp_rcv(struct sk_buff *skb)
 {

net/xfrm/xfrm_state.c

@@ -173,7 +173,7 @@ static DEFINE_SPINLOCK(xfrm_state_gc_lock);
 int __xfrm_state_delete(struct xfrm_state *x);
 
 int km_query(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *pol);
-bool km_is_alive(const struct km_event *c);
+static bool km_is_alive(const struct km_event *c);
 void km_state_expired(struct xfrm_state *x, int hard, u32 portid);
 
 static DEFINE_SPINLOCK(xfrm_type_lock);
@@ -2025,7 +2025,7 @@ int km_report(struct net *net, u8 proto, struct xfrm_selector *sel, xfrm_address
 }
 EXPORT_SYMBOL(km_report);
 
-bool km_is_alive(const struct km_event *c)
+static bool km_is_alive(const struct km_event *c)
 {
 	struct xfrm_mgr *km;
 	bool is_alive = false;
@@ -2041,7 +2041,6 @@ bool km_is_alive(const struct km_event *c)
 
 	return is_alive;
 }
-EXPORT_SYMBOL(km_is_alive);
 
 int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen)
 {