From 3833d8708e387ffa02f5dca972b0119461cb8629 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 30 Nov 2013 19:44:14 +0100
Subject: [PATCH] wireless: fix channel check

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
 scripts/netifd-wireless.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/netifd-wireless.sh b/scripts/netifd-wireless.sh
index 67ba38b..a67e350 100644
--- a/scripts/netifd-wireless.sh
+++ b/scripts/netifd-wireless.sh
@@ -46,11 +46,11 @@ _wdev_prepare_channel() {
 	hwmode_n="${hwmode##n}"
 
 	case "$channel" in
-		0|auto)
+		""|0|auto)
 			channel=0
 			auto_channel=1
 		;;
-		[0-9]+) ;;
+		[0-9]*) ;;
 		*)
 			wireless_setup_failed "INVALID_CHANNEL"
 		;;
-- 
2.11.0