From ab006391305165c805f75e3a2ce20946748233c9 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Sat, 21 Feb 2015 12:27:05 +0100
Subject: [PATCH] Fixes a bug in locking code.

When multiple protocols have a lock for the same IP address, it crashes
under some circumstances.

Thanks to Matthias Schiffer for the bugreport.
---
 nest/locks.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nest/locks.c b/nest/locks.c
index c74f2f45..ad2af493 100644
--- a/nest/locks.c
+++ b/nest/locks.c
@@ -70,7 +70,7 @@ olock_free(resource *r)
 	  DBG("olock: -> %p becomes locked\n", n);
 	  q = SKIP_BACK(struct object_lock, n, n);
 	  rem_node(n);
-	  add_tail_list(&l->waiters, &q->waiters);
+	  add_tail_list(&q->waiters, &l->waiters);
 	  q->state = OLOCK_STATE_EVENT;
 	  add_head(&olock_list, n);
 	  ev_schedule(olock_event);