From: Johannes Truschnigg <johannes@truschnigg.info>
Date: Thu, 17 Mar 2022 18:59:41 +0000 (+0100)
Subject: Check for configured interfaces
X-Git-Url: https://johannes.truschnigg.info/gitweb/?a=commitdiff_plain;h=2d6e2cfdfdf4397104ec501aa147063cfb6fcee0;p=sqm_lagthrottle

Check for configured interfaces
---

diff --git a/lagdetect.sh b/lagdetect.sh
index b07bbb2..bca7ffa 100755
--- a/lagdetect.sh
+++ b/lagdetect.sh
@@ -156,6 +156,16 @@ do
 done
 
 
+for i in "${IFACE_RX}" "${IFACE_TX}"
+do
+  if ip link show "${i}" >/dev/null
+  then
+    printf 'FATAL: Interface "%s" seems bogus\n' "${i}"
+    exit 1
+  fi
+done
+
+
 set -u