From feb282883b171c7bba13551f82c7049d36d81ead Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 22 Feb 2012 09:52:10 +0100
Subject: [PATCH] zzlIsInRange() now is capable of handling empty sorted sets
 that may end inside the data set when loading very old RDB files produced by
 early-stage versions of Redis.

---
 src/t_zset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/t_zset.c b/src/t_zset.c
index b8ad2fc6e..d482d4c2f 100644
--- a/src/t_zset.c
+++ b/src/t_zset.c
@@ -502,7 +502,7 @@ int zzlIsInRange(unsigned char *zl, zrangespec *range) {
         return 0;
 
     p = ziplistIndex(zl,-1); /* Last score. */
-    redisAssert(p != NULL);
+    if (p == NULL) return 0; /* Empty sorted set */
     score = zzlGetScore(p);
     if (!zslValueGteMin(score,range))
         return 0;