1 files changed, 20 insertions, 6 deletions

diff --git a/include/net/ax25.h b/include/net/ax25.h
index 14b72d868f03..5ae10dd2e32e 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -277,7 +277,7 @@ struct sock *ax25_get_socket(ax25_address *, ax25_address *, int);
 extern ax25_cb *ax25_find_cb(ax25_address *, ax25_address *, ax25_digi *, struct net_device *);
 extern void ax25_send_to_raw(ax25_address *, struct sk_buff *, int);
 extern void ax25_destroy_socket(ax25_cb *);
-extern ax25_cb *ax25_create_cb(void);
+extern ax25_cb * __must_check ax25_create_cb(void);
 extern void ax25_fillin_cb(ax25_cb *, ax25_dev *);
 extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *);
 
@@ -333,11 +333,25 @@ extern void ax25_ds_t3timer_expiry(ax25_cb *);
 extern void ax25_ds_idletimer_expiry(ax25_cb *);
 
 /* ax25_iface.c */
-extern int  ax25_protocol_register(unsigned int, int (*)(struct sk_buff *, ax25_cb *));
+
+struct ax25_protocol {
+        struct ax25_protocol *next;
+        unsigned int pid;
+        int (*func)(struct sk_buff *, ax25_cb *);
+};
+
+extern void ax25_register_pid(struct ax25_protocol *ap);
 extern void ax25_protocol_release(unsigned int);
-extern int  ax25_linkfail_register(void (*)(ax25_cb *, int));
-extern void ax25_linkfail_release(void (*)(ax25_cb *, int));
-extern int  ax25_listen_register(ax25_address *, struct net_device *);
+
+struct ax25_linkfail {
+        struct hlist_node lf_node;
+        void (*func)(ax25_cb *, int);
+};
+
+extern void ax25_linkfail_register(struct ax25_linkfail *lf);
+extern void ax25_linkfail_release(struct ax25_linkfail *lf);
+extern int __must_check ax25_listen_register(ax25_address *,
+        struct net_device *);
 extern void ax25_listen_release(ax25_address *, struct net_device *);
 extern int  (*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *);
 extern int  ax25_listen_mine(ax25_address *, struct net_device *);
@@ -415,7 +429,7 @@ extern unsigned long ax25_display_timer(struct timer_list *);
 /* ax25_uid.c */
 extern int  ax25_uid_policy;
 extern ax25_uid_assoc *ax25_findbyuid(uid_t);
-extern int  ax25_uid_ioctl(int, struct sockaddr_ax25 *);
+extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);
 extern struct file_operations ax25_uid_fops;
 extern void ax25_uid_free(void);