Author: tuexen
Date: Thu Feb 10 14:46:37 2011
New Revision: 218521
URL: http://svn.freebsd.org/changeset/base/218521

Log:
  Remove addresses from endpoint when there are no associations.
  This fixes a bug reported by brucec@.
  
  MFC after: 3 months.

Modified:
  head/sys/netinet/sctp_asconf.c

Modified: head/sys/netinet/sctp_asconf.c
==============================================================================
--- head/sys/netinet/sctp_asconf.c      Thu Feb 10 14:29:34 2011        
(r218520)
+++ head/sys/netinet/sctp_asconf.c      Thu Feb 10 14:46:37 2011        
(r218521)
@@ -3104,6 +3104,7 @@ sctp_addr_mgmt_ep_sa(struct sctp_inpcb *
     uint32_t type, uint32_t vrf_id, struct sctp_ifa *sctp_ifap)
 {
        struct sctp_ifa *ifa;
+       struct sctp_laddr *laddr, *nladdr;
 
        if (sa->sa_len == 0) {
                SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_ASCONF, 
EINVAL);
@@ -3124,8 +3125,6 @@ sctp_addr_mgmt_ep_sa(struct sctp_inpcb *
                if (type == SCTP_ADD_IP_ADDRESS) {
                        sctp_add_local_addr_ep(inp, ifa, type);
                } else if (type == SCTP_DEL_IP_ADDRESS) {
-                       struct sctp_laddr *laddr;
-
                        if (inp->laddr_count < 2) {
                                /* can't delete the last local address */
                                SCTP_LTRACE_ERR_RET(inp, NULL, NULL, 
SCTP_FROM_SCTP_ASCONF, EINVAL);
@@ -3139,11 +3138,19 @@ sctp_addr_mgmt_ep_sa(struct sctp_inpcb *
                                }
                        }
                }
-               if (!LIST_EMPTY(&inp->sctp_asoc_list)) {
+               if (LIST_EMPTY(&inp->sctp_asoc_list)) {
                        /*
                         * There is no need to start the iterator if the inp
                         * has no associations.
                         */
+                       if (type == SCTP_DEL_IP_ADDRESS) {
+                               LIST_FOREACH_SAFE(laddr, &inp->sctp_addr_list, 
sctp_nxt_addr, nladdr) {
+                                       if (laddr->ifa == ifa) {
+                                               sctp_del_local_addr_ep(inp, 
ifa);
+                                       }
+                               }
+                       }
+               } else {
                        struct sctp_asconf_iterator *asc;
                        struct sctp_laddr *wi;
 
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