Fix SEGV in tab completion of virsh commands

ChangeLog

+Tue Feb 27 10:35:35 EST 2007 Daniel P. Berrange <berrange@redhat.com>
+
+	* src/virsh.c: Fix SEGV when doing tab-completion of commands
+	which have no arguments (eg, nodeinfo<TAB>).
+
 Tue Feb 27 10:25:35 EST 2007 Daniel P. Berrange <berrange@redhat.com>
 
 	* src/virsh.c: Fix command line argument parsing to make

src/virsh.c

@@ -3207,6 +3207,9 @@ vshReadlineOptionsGenerator(const char *text, int state)
     if (!cmd)
         return NULL;
 
+    if (!cmd->opts)
+        return NULL;
+
     while ((name = cmd->opts[list_index].name)) {
         vshCmdOptDef *opt = &cmd->opts[list_index];
         char *res;