From 2c22f59c3f3d02ffa995bd35ec333bd712718f96 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 4 May 2016 08:59:56 +0200
Subject: [PATCH] Reply with error on negative geo radius.

Thanks to @tidwall for reporting.
Close #3194.
---
 src/geo.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/geo.c b/src/geo.c
index 8f6e3f645..2d351d8e0 100644
--- a/src/geo.c
+++ b/src/geo.c
@@ -157,7 +157,10 @@ double extractDistanceOrReply(client *c, robj **argv,
     }
 
     double to_meters = extractUnitOrReply(c,argv[1]);
-    if (to_meters < 0) return -1;
+    if (to_meters < 0) {
+        addReplyError(c,"radius cannot be negative");
+        return -1;
+    }
 
     if (conversion) *conversion = to_meters;
     return distance * to_meters;
-- 
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