From af807d87e8e30978f9a0d162b8004a4af8e4e3a3 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Tue, 1 Sep 2009 16:30:52 +0200
Subject: [PATCH] Fixed crash with only space and newline as command (issue
 61), thanks to a guy having as nick "fixxxerrr"

---
 redis.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/redis.c b/redis.c
index 7d3bc564..607c827a 100644
--- a/redis.c
+++ b/redis.c
@@ -1488,7 +1488,7 @@ again:
             /* Execute the command. If the client is still valid
              * after processCommand() return and there is something
              * on the query buffer try to process the next command. */
-            if (processCommand(c) && sdslen(c->querybuf)) goto again;
+            if (c->argc && processCommand(c) && sdslen(c->querybuf)) goto again;
             return;
         } else if (sdslen(c->querybuf) >= REDIS_REQUEST_MAX_SIZE) {
             redisLog(REDIS_DEBUG, "Client protocol error");