From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 2 Feb 2010 02:19:10 +0000 (+0000)
Subject: /sbin/wifi: improve reliability of restarts by resetting the state properly
X-Git-Tag: reboot~21146
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=19555b702efd6bb5b76d8ded7ddb10da4d7cd3aa;p=openwrt%2Fopenwrt.git

/sbin/wifi: improve reliability of restarts by resetting the state properly

SVN-Revision: 19495
---

diff --git a/package/base-files/files/sbin/wifi b/package/base-files/files/sbin/wifi
index 7c77c0b2a2..e21ea6ba9e 100755
--- a/package/base-files/files/sbin/wifi
+++ b/package/base-files/files/sbin/wifi
@@ -84,7 +84,10 @@ wifi_fixup_hwmode() {
 }
 
 wifi_updown() {
-	[ enable = "$1" ] && wifi_updown disable "$2"
+	[ enable = "$1" ] && {
+		wifi_updown disable "$2"
+		scan_wifi
+	}
 	for device in ${2:-$DEVICES}; do (
 		config_get disabled "$device" disabled
 		[ 1 == "$disabled" ] && {
@@ -134,7 +137,7 @@ set_wifi_down() {
 	local vifs vif vifstr
 
 	[ -f "/var/run/wifi-${cfg}.pid" ] &&
-		kill "$(cat "/var/run/wifi-${cfg}.pid")"
+		kill "$(cat "/var/run/wifi-${cfg}.pid")" 2>/dev/null
 	uci_revert_state wireless "$cfg"
 	config_get vifs "$cfg" vifs
 	for vif in $vifs; do
@@ -144,11 +147,13 @@ set_wifi_down() {
 
 scan_wifi() {
 	local cfgfile="$1"
+	DEVICES=
 	config_cb() {
 		config_get TYPE "$CONFIG_SECTION" TYPE
 		case "$TYPE" in
 			wifi-device)
 				append DEVICES "$CONFIG_SECTION"
+				config_set "$CONFIG_SECTION" vifs ""
 			;;
 			wifi-iface)
 				config_get device "$CONFIG_SECTION" device