network: tap_rate_limit: fix uninitialized value

diff --git a/src/PVE/Network.pm b/src/PVE/Network.pm
index 0f92e30734d9d799400f63ad5ea8cbffc7756b2d..5d265299c5998683a3179c2139841e8f2d68d96e 100644 (file)
--- a/src/PVE/Network.pm
+++ b/src/PVE/Network.pm
@@ -108,7 +108,7 @@ sub tap_rate_limit {
     my ($iface, $rate) = @_;
 
     my $debug = 0;
-    $rate = int($rate*1024*1024);
+    $rate = int($rate*1024*1024) if $rate;
     my $burst = 1024*1024;
 
     setup_tc_rate_limit($iface, $rate, $burst, $debug);