From 464dd55bbdc008f0e8c8ac1b8405e9dc880506c4 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Fri, 26 Feb 2021 12:21:38 +0100
Subject: unattended-lte-firmware-upgrade: skip interface on missing firmware
 information

---
 unattended-lte-firmware-upgrade | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/unattended-lte-firmware-upgrade b/unattended-lte-firmware-upgrade
index 93638c3..0bac0a2 100644
--- a/unattended-lte-firmware-upgrade
+++ b/unattended-lte-firmware-upgrade
@@ -15,21 +15,25 @@
     :log debug ("Could not get latest LTE firmware version for interface " . $IntName . ".");
   }
 
-  :if (($Firmware->"installed") != ($Firmware->"latest")) do={
-    :log info ("Scheduling LTE firmware upgrade for interface " . $IntName . ".");
-    :global LTEFirmwareUpgrade do={
-      :global LTEFirmwareUpgrade;
-      :set LTEFirmwareUpgrade;
-      / system scheduler remove ($1 . "-firmware-upgrade");
-      / interface lte firmware-upgrade $1 upgrade=yes;
-      :log info ("LTE firmware upgrade finished, waiting for installation before reset.");
-      :delay 150s;
-      / interface lte at-chat $1 input="AT+RESET";
-      :log info ("Reset device, waiting to finish and reconnect.");
+  :if ([ :typeof $Firmware ] = "array") do={
+    :if (($Firmware->"installed") != ($Firmware->"latest")) do={
+      :log info ("Scheduling LTE firmware upgrade for interface " . $IntName . ".");
+      :global LTEFirmwareUpgrade do={
+        :global LTEFirmwareUpgrade;
+        :set LTEFirmwareUpgrade;
+        / system scheduler remove ($1 . "-firmware-upgrade");
+        / interface lte firmware-upgrade $1 upgrade=yes;
+        :log info ("LTE firmware upgrade finished, waiting for installation before reset.");
+        :delay 150s;
+        / interface lte at-chat $1 input="AT+RESET";
+        :log info ("Reset device, waiting to finish and reconnect.");
+      }
+      / system scheduler add name=($IntName . "-firmware-upgrade") start-time=startup interval=2s \
+        on-event=(":global LTEFirmwareUpgrade; \$LTEFirmwareUpgrade \"" . $IntName . "\";");
+    } else={
+      :log info ("The LTE firmware is up to date on interface " . $IntName . ".");
     }
-    / system scheduler add name=($IntName . "-firmware-upgrade") start-time=startup interval=2s \
-      on-event=(":global LTEFirmwareUpgrade; \$LTEFirmwareUpgrade \"" . $IntName . "\";");
   } else={
-    :log info ("The LTE firmware is up to date on interface " . $IntName . ".");
+    :log info ("No LTE firmware information available for interface " . $IntName . ".");
   }
 }
-- 
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