Fix an uninitialized variable access when pptp.hostname is configured.

diff --git a/usr.sbin/npppd/pptp/pptp_ctrl.c b/usr.sbin/npppd/pptp/pptp_ctrl.c
index 80de9c1..1dfdc03 100644 (file)
--- a/usr.sbin/npppd/pptp/pptp_ctrl.c
+++ b/usr.sbin/npppd/pptp/pptp_ctrl.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pptp_ctrl.c,v 1.9 2015/01/19 01:48:59 deraadt Exp $   */
+/*     $OpenBSD: pptp_ctrl.c,v 1.10 2015/05/12 05:30:24 yasuoka Exp $  */
 
 /*-
  * Copyright (c) 2009 Internet Initiative Japan Inc.
@@ -29,7 +29,7 @@
  * PPTP(RFC 2637) control connection implementation.
  * currently it only support PAC part
  */
-/* $Id: pptp_ctrl.c,v 1.9 2015/01/19 01:48:59 deraadt Exp $ */
+/* $Id: pptp_ctrl.c,v 1.10 2015/05/12 05:30:24 yasuoka Exp $ */
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
@@ -749,7 +749,7 @@ pptp_ctrl_send_SCCRP(pptp_ctrl *_this, int result, int error)
         * 63 character */
        /* host name */
 
-       if (PPTP_CTRL_CONF(_this)->hostname == NULL)
+       if ((val = PPTP_CTRL_CONF(_this)->hostname) == NULL)
                val = "";
        strlcpy(scc->host_name, val, sizeof(scc->host_name));