From f5d5cedeb631d954784efefedf72d208e199648e Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 3 Nov 2006 09:22:03 +0000
Subject: [PATCH] ignore the failed if_valid check for ppp protocols except for
 pppoe (fixes ifup.wwan)

SVN-Revision: 5408
---
 openwrt/package/base-files/default/sbin/ifup | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/openwrt/package/base-files/default/sbin/ifup b/openwrt/package/base-files/default/sbin/ifup
index 8bb56a5c5c..a4df8339db 100755
--- a/openwrt/package/base-files/default/sbin/ifup
+++ b/openwrt/package/base-files/default/sbin/ifup
@@ -9,9 +9,15 @@ case "$if_proto" in
 	none|"")exit;;
 esac
 if=$(nvram get ${type}_ifname)
-[ "${if%%[0-9]}" = "ppp" ] && if=$(nvram get ${type}_device)
+if [ "${if%%[0-9]}" = "ppp" ]; then
+	if=$(nvram get ${type}_device)
+	if_valid "$if" || {
+		[ "$if_proto" = "pppoe" ] && exit
+	}
+else
+	if_valid "$if" || exit
+fi
 
-if_valid $if || [ "$if_proto" = "pptp" ] || exit 
 mac=$(nvram get ${type}_hwaddr)
 $DEBUG ifconfig $if down 2>&-
 
-- 
2.30.2