[git commit master] udhcpd: fix daemonize crash on nommu systems

[Mike Frysinger]

commit: http://git.busybox.net/busybox/commit/?id=6db13732954b23bd0f6f55c5b3c3941f0547141c
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

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

diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index e484733..043220d 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;
-- 
1.6.3.3