From 48ca67bea699cef35e2fdf7f25a24db60139a2ea Mon Sep 17 00:00:00 2001
From: Alexander Motin <mav@FreeBSD.org>
Date: Sun, 22 Jun 2008 11:39:42 +0000
Subject: [PATCH] Partially revert previous commit. DeleteLink() does not
 deletes permanent links so we should be aware of it and try to delete every
 link only once or we will loop forever.

---
 sys/netinet/libalias/alias_db.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sys/netinet/libalias/alias_db.c b/sys/netinet/libalias/alias_db.c
index a9e96d1839d..c9942b82af0 100644
--- a/sys/netinet/libalias/alias_db.c
+++ b/sys/netinet/libalias/alias_db.c
@@ -819,8 +819,12 @@ CleanupAliasData(struct libalias *la)
 
 	LIBALIAS_LOCK_ASSERT(la);
 	for (i = 0; i < LINK_TABLE_OUT_SIZE; i++) {
-		while ((lnk = LIST_FIRST(&la->linkTableOut[i])) != NULL)
+		lnk = LIST_FIRST(&la->linkTableOut[i]);
+		while (lnk != NULL) {
+			struct alias_link *link_next = LIST_NEXT(lnk, list_out);
 			DeleteLink(lnk);
+			lnk = link_next;
+		}
 	}
 
 	la->cleanupIndex = 0;