net.sh now checks to see if root is net mounted if no predown function

exists, #194074.

ChangeLog

@@ -3,6 +3,8 @@
 
   28 Sep 2007; Roy Marples <uberlord@gentoo.org>:
 
+    net.sh now checks to see if root is net mounted if no predown function
+    exists, #194074.
     enums are now fixed to specific values and are in UPPER CASE.
 
   26 Sep 2007; Roy Marples <uberlord@gentoo.org>:

sh/net.sh

@@ -554,6 +554,11 @@ stop() {
 		eindent
 		predown || return 1
 		eoutdent
+	else
+		if is_net_fs /; then
+			eerror "root filesystem is network mounted -- can't stop ${IFACE}"
+			return 1
+		fi
 	fi
 
 	for module in ${MODULES} ; do