Allow update to interface if not present yet

Solves issues like Bug 4759 where qos-policy is commited to
an interface that does not exist in system until later.
(cherry picked from commit f94f46058fce5ca110a24ef90935b0f517b16d33)

1 files changed, 6 insertions, 0 deletions

diff --git a/scripts/vyatta-qos.pl b/scripts/vyatta-qos.pl
index eb04ec8..487fdc6 100755
--- a/scripts/vyatta-qos.pl
+++ b/scripts/vyatta-qos.pl
@@ -155,6 +155,12 @@ sub update_interface {
     my $shaper = make_policy( $policy, $name, $direction );
     exit 1 unless $shaper;
 
+    if ( ! -d "/sys/class/net/$device" ) {
+	warn "$device not present yet, qos-policy will be applied later\n";
+	return;
+    }
+
+
     # Remove old policy
     delete_interface( $device, $direction );