From d174fcedcb9c9e9d3af21035de5a0be1d7e165b6 Mon Sep 17 00:00:00 2001
From: fbt <fbt@fleshless.org>
Date: Mon, 19 Jan 2015 16:59:09 +0300
Subject: [PATCH] code cleanup

---
 init.d/lo.iface | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/init.d/lo.iface b/init.d/lo.iface
index 2ad1484..a62c25a 100755
--- a/init.d/lo.iface
+++ b/init.d/lo.iface
@@ -9,8 +9,8 @@ wait_for_iface() {
 	local iface="$1" timer='0' timeout='6'
 
 	until [[ "ip link show $iface up" ]]; do
-		[[ "$timer" -ge "$timeout" ]] && { return 1; }
-		timer=$[timer+1]
+		(( timer >= timeout )) && { return 1; }
+		(( timer++ ))
 	done
 }