read_etc_interfaces: missing iface initialization

If no 'auto' line was read the interface hash has to be
initialized.

diff --git a/src/PVE/INotify.pm b/src/PVE/INotify.pm
index 630e62f2f1afe3812d625a4b4c3f4abb68f162a3..7fc6978cfdb4beeaa555d9aa89579c53e31dc73f 100644 (file)
--- a/src/PVE/INotify.pm
+++ b/src/PVE/INotify.pm
@@ -827,7 +827,7 @@ sub __read_etc_network_interfaces {
            my $f = { method => $3 }; # by family, merged to $d with a $suffix
            (my $suffix = $family) =~ s/^inet//;
 
            my $f = { method => $3 }; # by family, merged to $d with a $suffix
            (my $suffix = $family) =~ s/^inet//;
 

-           my $d = $ifaces->{$i};
+           my $d = $ifaces->{$i} ||= {};

            $d->{priority} = $priority++ if !$d->{priority};
            push @{$d->{families}}, $family;
 
            $d->{priority} = $priority++ if !$d->{priority};
            push @{$d->{families}}, $family;