From 6db13732954b23bd0f6f55c5b3c3941f0547141c Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 4 Jun 2010 13:24:50 -0400
Subject: [PATCH] udhcpd: fix daemonize crash on nommu systems

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 networking/udhcp/dhcpd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index e48473389..043220de9 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -305,11 +305,12 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
 		, &dhcp_verbose
 #endif
 		);
-	argv += optind;
 	if (!(opt & 1)) { /* no -f */
 		bb_daemonize_or_rexec(0, argv);
 		logmode = LOGMODE_NONE;
 	}
+	/* update argv after the possible vfork+exec in daemonize */
+	argv += optind;
 	if (opt & 2) { /* -S */
 		openlog(applet_name, LOG_PID, LOG_DAEMON);
 		logmode |= LOGMODE_SYSLOG;