Check ifa->ifa_addr otherwise existing TUN device causes following segfault;

[util-vserver-pl.git] / python / bwlimit.py

diff --git a/python/bwlimit.py b/python/bwlimit.py
index b6ef291..674814b 100644 (file)
--- a/python/bwlimit.py
+++ b/python/bwlimit.py
@@ -50,7 +50,6 @@
 #
 
 import sys, os, re, getopt
-from sets import Set
 import pwd
 
 
@@ -679,6 +678,9 @@ def main():
         elif opt == '-h':
             usage()
 
+    if bwcap == -1:
+        return 0
+
     if len(argv):
         if argv[0] == "init" or (argv[0] == "on" and len(argv) == 1):
             # (Re)initialize