Redhat: fix ipv4 dhcp only setup

With ipv4 dhcp and no ipv6 configuration present $data is
empty and only $bootproto set to dhcp.

diff --git a/src/PVE/LXC/Setup/Redhat.pm b/src/PVE/LXC/Setup/Redhat.pm
index 956e1da7843970fecdcb733a9f913fac4063e443..adc771d3b269d27003a0543669a525a51d473607 100644 (file)
--- a/src/PVE/LXC/Setup/Redhat.pm
+++ b/src/PVE/LXC/Setup/Redhat.pm
@@ -242,7 +242,7 @@ sub setup_network {
            }
        }
 
-       next unless $data;
+       next unless $data || $bootproto;
        $header .= "BOOTPROTO=$bootproto\n";
        $self->ct_file_set_contents($filename, $header . $data);