From de3a8f9eb7deb59a418293ffcd6c8111c775075f Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 7 Sep 2007 13:09:17 +0000
Subject: [PATCH] fix ppp unit number issues (#2178)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8665 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/ppp/files/ppp.sh | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/package/ppp/files/ppp.sh b/package/ppp/files/ppp.sh
index 9f50e85ef..5ca1cf9c7 100644
--- a/package/ppp/files/ppp.sh
+++ b/package/ppp/files/ppp.sh
@@ -1,9 +1,12 @@
 scan_ppp() {
 	config_get ifname "$1" ifname
 	pppdev="${pppdev:-0}"
-	config_set "$1" ifname "ppp$pppdev"
-	config_set "$1" unit "$pppdev"
-	pppdev="$(($pppdev + 1))"
+	config_get unit "$1" unit
+	[ -z "$unit" ] && {
+		config_set "$1" ifname "ppp$pppdev"
+		config_set "$1" unit "$pppdev"
+		pppdev="$(($pppdev + 1))"
+	}
 }
 
 start_pppd() {
-- 
2.20.1