From f2197c45deafd6bbc5a9d200f1b372081e5bb157 Mon Sep 17 00:00:00 2001
From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Fri, 6 Aug 2010 17:40:49 +0200
Subject: [PATCH] don't die without tags in range

---
 scripts/RFID-JSONP-server.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/RFID-JSONP-server.pl b/scripts/RFID-JSONP-server.pl
index 6f6e3e3..176d7e6 100755
--- a/scripts/RFID-JSONP-server.pl
+++ b/scripts/RFID-JSONP-server.pl
@@ -95,7 +95,7 @@ sub http_server {
 					close($fh);
 				}
 			} elsif ( $method =~ m{/scan} ) {
-				my $tags = $rfid->scan;
+				my $tags = $rfid->scan || {};
 				my $json = { time => time() };
 				foreach my $tag ( keys %$tags ) {
 					my $hash = RFID::Biblio::RFID501->to_hash( $tags->{$tag} );
-- 
2.20.1