From 44be784b13f5e7535b1a04152a2a3974fe5efc80 Mon Sep 17 00:00:00 2001
From: Siraaj Khandkar <siraaj@khandkar.net>
Date: Thu, 7 Oct 2021 19:04:30 -0400
Subject: [PATCH] Fix crash on scan failure

---
 home/bin/arp-recon | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/home/bin/arp-recon b/home/bin/arp-recon
index e53d2ea..c96192f 100755
--- a/home/bin/arp-recon
+++ b/home/bin/arp-recon
@@ -49,7 +49,9 @@ log() {
 
     while :; do
         debug '(>) scan'
-        sudo arp-scan --localnet;
+        if ! sudo arp-scan --localnet; then
+            error 'scan failed'
+        fi
         debug '(.) scan'
         sleep "$interval";
     done \
-- 
2.20.1