make sure stdout contains data before manipulating corresponding array

mrash · Feb 22, 2015 · 66215e0 · 66215e0
1 parent 4437584
commit 66215e0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/IPTables/Parse.pm b/lib/IPTables/Parse.pm
@@ -816,7 +816,7 @@ sub exec_iptables() {
         $rv = 0 if @stderr;
     }
 
-    if ($stdout[$#stdout] =~ /^success/) {
+    if (@stdout and $stdout[$#stdout] =~ /^success/) {
         pop @stdout;
     }