From d1f22eaca422039e89b593e8c951439a538a4764 Mon Sep 17 00:00:00 2001
From: Madelyn Olson <matolson@amazon.com>
Date: Sun, 16 Feb 2020 05:41:39 -0800
Subject: [PATCH] Give an error message if you specify redirect twice

---
 src/networking.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/networking.c b/src/networking.c
index dad61904d..5b1229fde 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -2233,6 +2233,13 @@ NULL
 
             if (!strcasecmp(c->argv[j]->ptr,"redirect") && moreargs) {
                 j++;
+                if (redir != 0) {
+                    addReplyError(c,"A client can only redirect to a single "
+                                    "other client");
+                    zfree(prefix);
+                    return;
+                }
+
                 if (getLongLongFromObjectOrReply(c,c->argv[j],&redir,NULL) !=
                     C_OK)
                 {
-- 
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