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 *);
extern void ax25_ds_idletimer_expiry(ax25_cb *);
/* ax25_iface.c */
-extern int ax25_protocol_register(unsigned int, int (*)(struct sk_buff *, ax25_cb *));
+extern int __must_check ax25_protocol_register(unsigned int, int (*)(struct sk_buff *, ax25_cb *));
extern void ax25_protocol_release(unsigned int);
-extern int ax25_linkfail_register(void (*)(ax25_cb *, int));
+extern int __must_check 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 *);
+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 *);
/* 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);