From 9d5301c35f85cf633ded404abfd5ca87a96b7a16 Mon Sep 17 00:00:00 2001
From: Josh Baker <joshbaker77@gmail.com>
Date: Fri, 29 Jul 2016 11:22:13 -0700
Subject: [PATCH] nil check

---
 redcon.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/redcon.go b/redcon.go
index 18187ad..2809dc7 100644
--- a/redcon.go
+++ b/redcon.go
@@ -82,7 +82,9 @@ func ListenAndServe(
 						return err
 					}
 					if len(cmds) > 0 {
-						handler(wrc, cmds)
+						if handler != nil {
+							handler(wrc, cmds)
+						}
 					}
 					if wr.err != nil {
 						if wr.err == errClosed {