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-rw-r--r--perl-install/network/network.pm4
1 files changed, 2 insertions, 2 deletions
diff --git a/perl-install/network/network.pm b/perl-install/network/network.pm
index 44e665ad3..146619e07 100644
--- a/perl-install/network/network.pm
+++ b/perl-install/network/network.pm
@@ -144,8 +144,8 @@ sub write_interface_conf {
my ($mac_address) = `LC_ALL= LANG= $::prefix/sbin/ip -o link show $intf->{DEVICE} 2>/dev/null` =~ m|.*link/ether\s([0-9a-z:]+)\s|;
$intf->{HWADDR} &&= $mac_address; #- set HWADDR to MAC address if required
- #- write interface MAC address in iftab
- substInFile { s/^$intf->{DEVICE}\s+.*\n//; $_ .= qq($intf->{DEVICE}\t$mac_address\n) if eof } "$::prefix/etc/iftab";
+ #- write interface MAC address in iftab (if any)
+ substInFile { s/^$intf->{DEVICE}\s+.*\n//; $_ .= qq($intf->{DEVICE}\t$mac_address\n) if eof } "$::prefix/etc/iftab" if $mac_address;
my @ip = split '\.', $intf->{IPADDR};
my @mask = split '\.', $intf->{NETMASK};