[LEDE-DEV] [PATCH v2] base-files: Don't deconfigure IP settings while using NFS root

[Petr Štetiar]

This patch allows me to boot my system with root file system mounted over
Network File System (NFS). Without this patch, the boot process ends in the
preinit step:

   init: - preinit -
   ...
   + [ eth0 = eth0+ ip link set dev eth0 down
   nfs: server 192.168.1.90 not responding, still trying

Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 package/base-files/files/lib/preinit/10_indicate_preinit | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/package/base-files/files/lib/preinit/10_indicate_preinit b/package/base-files/files/lib/preinit/10_indicate_preinit
index 7a97a8d..457ce21 100644
--- a/package/base-files/files/lib/preinit/10_indicate_preinit
+++ b/package/base-files/files/lib/preinit/10_indicate_preinit
@@ -114,6 +114,8 @@ preinit_ip() {
 }
 
 preinit_ip_deconfig() {
+	grep -q "nfsroot" /proc/cmdline && return
+
 	[ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
 		local netdev vid
 
-- 
1.9.1