From 99a651fd508e189d40262230fa34069fd9ff2bb5 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 20 Oct 2014 15:07:19 +0000
Subject: [PATCH] base-files: fix telnet login on musl

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43006
---
 package/base-files/files/bin/login.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/base-files/files/bin/login.sh b/package/base-files/files/bin/login.sh
index 04b3fe25021..25627b66b29 100755
--- a/package/base-files/files/bin/login.sh
+++ b/package/base-files/files/bin/login.sh
@@ -1,8 +1,8 @@
 #!/bin/sh
 # Copyright (C) 2006-2011 OpenWrt.org
 
-if ( ! grep -qs '^root:[!x]\?:' /etc/shadow || \
-     ! grep -qs '^root:[!x]\?:' /etc/passwd ) && \
+if ( ! grep -qsE '^root:[!x]?:' /etc/shadow || \
+     ! grep -qsE '^root:[!x]?:' /etc/passwd ) && \
    [ -z "$FAILSAFE" ]
 then
 	echo "Login failed."
-- 
2.30.2