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From: Randall Stewart <rrs@FreeBSD.org>
Date: Mon, 26 Jul 2010 09:22:52 +0000 (UTC)
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Subject: svn commit: r210494 - head/sys/netinet
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Author: rrs
Date: Mon Jul 26 09:22:52 2010
New Revision: 210494
URL: http://svn.freebsd.org/changeset/base/210494

Log:
  Make sure that we report chunks if a socket
  still exists that were not sent. In either
  case carefully remove the data if it does not
  get taken by the reporting routines.
  
  MFC after:	2 weeks

Modified:
  head/sys/netinet/sctp_pcb.c

Modified: head/sys/netinet/sctp_pcb.c
==============================================================================
--- head/sys/netinet/sctp_pcb.c	Mon Jul 26 09:20:55 2010	(r210493)
+++ head/sys/netinet/sctp_pcb.c	Mon Jul 26 09:22:52 2010	(r210494)
@@ -4830,9 +4830,17 @@ sctp_free_assoc(struct sctp_inpcb *inp, 
 		while (sp) {
 			TAILQ_REMOVE(&outs->outqueue, sp, next);
 			if (sp->data) {
-				sctp_m_freem(sp->data);
-				sp->data = NULL;
-				sp->tail_mbuf = NULL;
+				if (so) {
+					/* Still an open socket - report */
+					sctp_ulp_notify(SCTP_NOTIFY_SPECIAL_SP_FAIL, stcb,
+					    SCTP_NOTIFY_DATAGRAM_UNSENT,
+					    (void *)sp, 0);
+				}
+				if (sp->data) {
+					sctp_m_freem(sp->data);
+					sp->data = NULL;
+					sp->tail_mbuf = NULL;
+				}
 			}
 			sctp_free_remote_addr(sp->net);
 			sctp_free_spbufspace(stcb, asoc, sp);
@@ -4892,8 +4900,15 @@ sctp_free_assoc(struct sctp_inpcb *inp, 
 		while (chk) {
 			TAILQ_REMOVE(&asoc->send_queue, chk, sctp_next);
 			if (chk->data) {
-				sctp_m_freem(chk->data);
-				chk->data = NULL;
+				if (so) {
+					/* Still a socket? */
+					sctp_ulp_notify(SCTP_NOTIFY_DG_FAIL, stcb,
+					    SCTP_NOTIFY_DATAGRAM_UNSENT, chk, 0);
+				}
+				if (chk->data) {
+					sctp_m_freem(chk->data);
+					chk->data = NULL;
+				}
 			}
 			if (chk->holds_key_ref)
 				sctp_auth_key_release(stcb, chk->auth_keyid);
@@ -4917,8 +4932,15 @@ sctp_free_assoc(struct sctp_inpcb *inp, 
 		while (chk) {
 			TAILQ_REMOVE(&asoc->sent_queue, chk, sctp_next);
 			if (chk->data) {
-				sctp_m_freem(chk->data);
-				chk->data = NULL;
+				if (so) {
+					/* Still a socket? */
+					sctp_ulp_notify(SCTP_NOTIFY_DG_FAIL, stcb,
+					    SCTP_NOTIFY_DATAGRAM_SENT, chk, 0);
+				}
+				if (chk->data) {
+					sctp_m_freem(chk->data);
+					chk->data = NULL;
+				}
 			}
 			if (chk->holds_key_ref)
 				sctp_auth_key_release(stcb, chk->auth_keyid);