From ae499efa3a720815912e317d7507275aee93c1df Mon Sep 17 00:00:00 2001
From: bol-van <none@none.none>
Date: Sat, 18 Jun 2022 11:43:31 +0300
Subject: [PATCH] wireguard docs: check DEVICE is not null

---
 docs/wireguard/wireguard_iproute_openwrt.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/wireguard/wireguard_iproute_openwrt.txt b/docs/wireguard/wireguard_iproute_openwrt.txt
index 4224794..6d0506a 100644
--- a/docs/wireguard/wireguard_iproute_openwrt.txt
+++ b/docs/wireguard/wireguard_iproute_openwrt.txt
@@ -399,6 +399,7 @@ EOF
 
 network_get_device DEVICE wgvps
 
+[ -n "$DEVICE" ] &&
 cat << EOF | nft -f -
  add chain inet $ZAPRET_NFT_TABLE my_output { type route hook output priority mangle; }
  flush chain inet $ZAPRET_NFT_TABLE my_output