From: Martin Mareš <mj@ucw.cz>
Date: Fri, 21 Nov 2025 21:06:41 +0000 (+0100)
Subject: show-switch: Better error handling
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=f7ca6d1fa1a536caaff8b6ac19670bb517df416c;p=jablonka.git

show-switch: Better error handling
---

diff --git a/show-switch b/show-switch
index 9dab19c..1079000 100755
--- a/show-switch
+++ b/show-switch
@@ -155,7 +155,12 @@ my $port_table = my_get_table({
 print "# Switch ports:\n", Dumper($port_table) if $debug;
 
 for my $port (keys %$port_table) {
-	my $if = $if_table->{$port_table->{$port}->{ifindex}} or die "Port table refers to unknown iface";
+	my $ifi = $port_table->{$port}->{ifindex};
+	my $if = $if_table->{$ifi};
+	if (!$if) {
+		print STDERR "WARNING: Port $port refers to unknown ifindex $ifi\n";
+		next;
+	}
 	$if->{switch_port} = $port;
 }