From: Thomas Lamprecht <t.lamprecht@proxmox.com>
Date: Wed, 12 Jun 2019 10:01:08 +0000 (+0200)
Subject: inotify: network/interfaces: fix 'Use of uninitialized value' for netmask
X-Git-Url: https://git.proxmox.com/?p=pve-common.git;a=commitdiff_plain;h=4515aaec1ea703a4de7648ebb8db363664577509;ds=sidebyside

inotify: network/interfaces: fix 'Use of uninitialized value' for netmask

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
---

diff --git a/src/PVE/INotify.pm b/src/PVE/INotify.pm
index b660041..8b49f5a 100644
--- a/src/PVE/INotify.pm
+++ b/src/PVE/INotify.pm
@@ -1106,7 +1106,7 @@ sub __read_etc_network_interfaces {
 
 	# map address and netmask to cidr
 	if ($d->{address}) {
-	    if ($d->{netmask} =~ m/^\d+$/) { # e.g. netmask 20
+	    if ($d->{netmask} && $d->{netmask} =~ m/^\d+$/) { # e.g. netmask 20
 		$d->{cidr} = $d->{address} . "/" . $d->{netmask};
 	    } elsif ($d->{netmask} &&
 		     (my $cidr = PVE::JSONSchema::get_netmask_bits($d->{netmask}))) { # e.g. netmask 255.255.255.0