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diff -uNr busybox-1.13.2-orig/examples/udhcp/simple.script busybox-1.13.2/examples/udhcp/simple.script
--- busybox-1.13.2-orig/examples/udhcp/simple.script 2009-02-04 11:08:13.000000000 -0500
+++ busybox-1.13.2/examples/udhcp/simple.script 2009-02-04 11:24:51.000000000 -0500
@@ -8,22 +8,31 @@
[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
[ -n "$subnet" ] && NETMASK="netmask $subnet"
+# return 0 if root is mounted on a network filesystem
+root_is_nfs() {
+ grep -qe '^/dev/root.*\(nfs\|smbfs\|ncp\|coda\) .*' /proc/mounts
+}
+
case "$1" in
deconfig)
- /sbin/ifconfig $interface 0.0.0.0
+ if ! root_is_nfs ; then
+ /sbin/ifconfig $interface 0.0.0.0
+ fi
;;
renew|bound)
/sbin/ifconfig $interface $ip $BROADCAST $NETMASK
if [ -n "$router" ] ; then
- while route del default gw 0.0.0.0 dev $interface 2>/dev/null ; do
- :
- done
+ if ! root_is_nfs ; then
+ while route del default gw 0.0.0.0 dev $interface 2>/dev/null ; do
+ :
+ done
+ fi
metric=0
for i in $router ; do
- route add default gw $i dev $interface metric $((metric++))
+ route add default gw $i dev $interface metric $((metric++)) 2>/dev/null
done
fi
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