From 8a9d23e4462aa19a17a3de463ff8e408656057af Mon Sep 17 00:00:00 2001
From: David Herrmann <dh.herrmann@gmail.com>
Date: Tue, 29 Sep 2015 20:41:29 +0200
Subject: [PATCH] prioq: never shuffle identical entries

Skip shuffling identical entries in shuffle_up(), just like we already do
in shuffle_down().
---
 src/basic/prioq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/basic/prioq.c b/src/basic/prioq.c
index b89888be0e8..5e567b181d3 100644
--- a/src/basic/prioq.c
+++ b/src/basic/prioq.c
@@ -101,7 +101,7 @@ static unsigned shuffle_up(Prioq *q, unsigned idx) {
 
                 k = (idx-1)/2;
 
-                if (q->compare_func(q->items[k].data, q->items[idx].data) < 0)
+                if (q->compare_func(q->items[k].data, q->items[idx].data) <= 0)
                         break;
 
                 swap(q, idx, k);