File trickle-1.07-bwsta_getdelay-stop-if-no-packets.patch of Package trickle

From 3b22c327ff6ac3ee51332919e91ae63d47225a9b Mon Sep 17 00:00:00 2001
From: Alon Levy <alevy@redhat.com>
Date: Thu, 15 Sep 2011 18:05:13 +0300
Subject: [PATCH] bwsta_getdelay: stop if no packets

---
 bwstat.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/bwstat.c b/bwstat.c
index a1c1085..9567275 100644
--- a/bwstat.c
+++ b/bwstat.c
@@ -210,7 +210,7 @@ bwstat_getdelay(struct bwstat *bs, size_t *len, uint lim, short which)
 
 			ent += xent;
 		}
-	} while (pool > 0 && ncli > 0);
+	} while (pool > 0 && ncli > 0 && (TAILQ_FIRST(&poolq) != TAILQ_END(&poolq)));
 
 	/*
 	 * This is the case of a client that is not using its limit.
-- 
1.7.6.2