[LEDE-DEV] [PATCH] netifd: always send DHCPv4 hostname

[Mathias Kresin]

udhcpc doesn't send a hostname by default. Use the system hostname if
nothing else is specified, to always send a hostname.

It syncs the behaviour to odhcpc, which always sends a hostname.

Signed-off-by: Mathias Kresin <dev at kresin.me>
---
 package/network/config/netifd/files/lib/netifd/proto/dhcp.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
index ea02d68..143e445 100755
--- a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
+++ b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
@@ -40,6 +40,7 @@ proto_dhcp_setup() {
 		append dhcpopts "-x $opt"
 	done
 
+	[ -z "$hostname" ] && hostname="$(cat /proc/sys/kernel/hostname)"
 	[ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
 	[ "$release" = 1 ] && release="-R" || release=
 	[ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
-- 
2.7.4