1 files changed, 9 insertions, 4 deletions

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index c0d5848c33dc..c2fe2dcc9afc 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -207,6 +207,9 @@ extern struct sctp_globals {
          * It is a list of sctp_sockaddr_entry.
          */
         struct list_head local_addr_list;
+
+        /* Lock that protects the local_addr_list writers */
+        spinlock_t addr_list_lock;
         
         /* Flag to indicate if addip is enabled. */
         int addip_enable;
@@ -242,6 +245,7 @@ extern struct sctp_globals {
 #define sctp_port_alloc_lock            (sctp_globals.port_alloc_lock)
 #define sctp_port_hashtable             (sctp_globals.port_hashtable)
 #define sctp_local_addr_list            (sctp_globals.local_addr_list)
+#define sctp_local_addr_lock            (sctp_globals.addr_list_lock)
 #define sctp_addip_enable               (sctp_globals.addip_enable)
 #define sctp_prsctp_enable              (sctp_globals.prsctp_enable)
 
@@ -737,8 +741,10 @@ const union sctp_addr *sctp_source(const struct sctp_chunk *chunk);
 /* This is a structure for holding either an IPv6 or an IPv4 address.  */
 struct sctp_sockaddr_entry {
         struct list_head list;
+        struct rcu_head rcu;
         union sctp_addr a;
         __u8 use_as_src;
+        __u8 valid;
 };
 
 typedef struct sctp_chunk *(sctp_packet_phandler_t)(struct sctp_association *);
@@ -1149,7 +1155,9 @@ int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
                         int flags);
 int sctp_add_bind_addr(struct sctp_bind_addr *, union sctp_addr *,
                        __u8 use_as_src, gfp_t gfp);
-int sctp_del_bind_addr(struct sctp_bind_addr *, union sctp_addr *);
+int sctp_del_bind_addr(struct sctp_bind_addr *, union sctp_addr *,
+                        void (*rcu_call)(struct rcu_head *,
+                                          void (*func)(struct rcu_head *)));
 int sctp_bind_addr_match(struct sctp_bind_addr *, const union sctp_addr *,
                          struct sctp_sock *);
 union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr   *bp,
@@ -1220,9 +1228,6 @@ struct sctp_ep_common {
          * bind_addr.address_list is our set of local IP addresses.
          */
         struct sctp_bind_addr bind_addr;
-
-        /* Protection during address list comparisons. */
-        rwlock_t   addr_lock;
 };