From ed5a857a6dc0eab237c979622a3dba23e4873203 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Sat, 21 Nov 2009 13:46:34 +0100
Subject: [PATCH] Fixed a SORT memory leak that should never happen in practice

---
 redis.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/redis.c b/redis.c
index bbb46117..14861c34 100644
--- a/redis.c
+++ b/redis.c
@@ -4598,7 +4598,10 @@ static robj *lookupKeyByPattern(redisDb *db, robj *pattern, robj *subst) {
     ssub = subst->ptr;
     if (sdslen(spat)+sdslen(ssub)-1 > REDIS_SORTKEY_MAX) return NULL;
     p = strchr(spat,'*');
-    if (!p) return NULL;
+    if (!p) {
+        decrRefCount(subst);
+        return NULL;
+    }
 
     prefixlen = p-spat;
     sublen = sdslen(ssub);