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.

diff --git a/nest/locks.c b/nest/locks.c
index c74f2f45d9cd5e185682448c47a0a4c1d853effe..ad2af4938959d7219958562825fa7ea112e96321 100644 (file)
--- 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);