From 02e5dff4f0a5d8f1d064fd1762ac674c650a0d0d Mon Sep 17 00:00:00 2001
From: tuexen <tuexen@FreeBSD.org>
Date: Sun, 5 Jan 2020 13:56:32 +0000
Subject: [PATCH] Ensure that we don't miss a trigger for kicking off the SCTP
 iterator.

Reported by:		nwhitehorn@
MFC after:		1 week
---
 sys/netinet/sctputil.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sys/netinet/sctputil.c b/sys/netinet/sctputil.c
index cc4f34224ed4..cbda6e2c4948 100644
--- a/sys/netinet/sctputil.c
+++ b/sys/netinet/sctputil.c
@@ -1475,12 +1475,11 @@ no_stcb:
 void
 sctp_iterator_worker(void)
 {
-	struct sctp_iterator *it, *nit;
+	struct sctp_iterator *it;
 
 	/* This function is called with the WQ lock in place */
-
 	sctp_it_ctl.iterator_running = 1;
-	TAILQ_FOREACH_SAFE(it, &sctp_it_ctl.iteratorhead, sctp_nxt_itr, nit) {
+	while ((it = TAILQ_FIRST(&sctp_it_ctl.iteratorhead)) != NULL) {
 		/* now lets work on this one */
 		TAILQ_REMOVE(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);
 		SCTP_IPI_ITERATOR_WQ_UNLOCK();