broadcom-wl: clean up variable definitions (broadcom.sh)
authorHauke Mehrtens <hauke@hauke-m.de>
Mon, 11 Nov 2013 22:01:12 +0000 (22:01 +0000)
committerHauke Mehrtens <hauke@hauke-m.de>
Mon, 11 Nov 2013 22:01:12 +0000 (22:01 +0000)
Specify variables as 'local' where appropriate

Signed-off-by: Nathan Hintz <nlhintz@hotmail.com>
SVN-Revision: 38755

package/kernel/broadcom-wl/files/lib/wifi/broadcom.sh

index 7721b8719126eba263193469e6a1ae2896aece69..17fa80fc98e2df73db5057a0c9a957fcfc94cc03 100644 (file)
@@ -2,18 +2,17 @@ append DRIVERS "broadcom"
 
 scan_broadcom() {
        local device="$1"
-       local wds
+       local vif vifs wds
        local adhoc sta apmode mon disabled
        local adhoc_if sta_if ap_if mon_if
-       local _c=0
 
        config_get vifs "$device" vifs
        for vif in $vifs; do
                config_get_bool disabled "$vif" disabled 0
                [ $disabled -eq 0 ] || continue
 
+               local mode
                config_get mode "$vif" mode
-               _c=$(($_c + 1))
                case "$mode" in
                        adhoc)
                                adhoc=1
@@ -28,6 +27,7 @@ scan_broadcom() {
                                ap_if="${ap_if:+$ap_if }$vif"
                        ;;
                        wds)
+                               local addr
                                config_get addr "$vif" bssid
                                [ -z "$addr" ] || {
                                        addr=$(echo "$addr" | tr 'A-F' 'a-f')
@@ -105,6 +105,7 @@ disable_broadcom() {
                [ -e $pid_file ] && start-stop-daemon -K -q -s SIGKILL -p $pid_file && rm $pid_file
 
                # make sure the interfaces are down and removed from all bridges
+               local dev
                for dev in $device ${device}-1 ${device}-2 ${device}-3; do
                        ifconfig "$dev" down 2>/dev/null >/dev/null && {
                                unbridge "$dev"
@@ -116,7 +117,8 @@ disable_broadcom() {
 
 enable_broadcom() {
        local device="$1"
-       local _c
+       local channel country maxassoc wds vifs distance slottime rxantenna txantenna
+       local frameburst macfilter maclist macaddr txpower frag rts hwmode htmode
        config_get channel "$device" channel
        config_get country "$device" country
        config_get maxassoc "$device" maxassoc
@@ -135,15 +137,9 @@ enable_broadcom() {
        config_get rts "$device" rts
        config_get hwmode "$device" hwmode
        config_get htmode "$device" htmode
-       local vif_pre_up vif_post_up vif_do_up vif_txpower
        local doth=0
        local wmm=1
 
-       _c=0
-       nas="$(which nas)"
-       nas_cmd=
-       if_up=
-
        [ -z "$slottime" ] && {
                [ -n "$distance" ] && {
                        # slottime = 9 + (distance / 150) + (distance % 150 ? 1 : 0)
@@ -201,9 +197,15 @@ enable_broadcom() {
                esac
        }
 
+       local _c=0
+       local nas="$(which nas)"
+       local if_up nas_cmd
+       local vif vif_pre_up vif_post_up vif_do_up vif_txpower
+
        for vif in $vifs; do
                config_get vif_txpower "$vif" txpower
 
+               local mode
                config_get mode "$vif" mode
                append vif_pre_up "vif $_c" "$N"
                append vif_post_up "vif $_c" "$N"
@@ -213,20 +215,24 @@ enable_broadcom() {
                config_get_bool doth "$vif" doth "$doth"
 
                [ "$mode" = "sta" ] || {
+                       local hidden isolate
                        config_get_bool hidden "$vif" hidden 0
                        append vif_pre_up "closed $hidden" "$N"
                        config_get_bool isolate "$vif" isolate 0
                        append vif_pre_up "ap_isolate $isolate" "$N"
                }
 
-               wsec_r=0
-               eap_r=0
-               wsec=0
-               auth=0
-               nasopts=
+               local wsec_r=0
+               local eap_r=0
+               local wsec=0
+               local auth=0
+               local nasopts=
+               local enc key rekey
+
                config_get enc "$vif" encryption
                case "$enc" in
                        *wep*)
+                               local def defkey k knr
                                wsec_r=1
                                wsec=1
                                defkey=1
@@ -274,6 +280,7 @@ enable_broadcom() {
                                nasopts="-k \"\$${vif}_key\"${rekey:+ -g $rekey}"
                        ;;
                        *wpa*)
+                               local auth_port auth_secret auth_server
                                wsec_r=1
                                eap_r=1
                                config_get auth_server "$vif" auth_server
@@ -309,6 +316,7 @@ enable_broadcom() {
                append vif_do_up "wsec_restrict $wsec_r" "$N"
                append vif_do_up "eap_restrict $eap_r" "$N"
 
+               local ssid
                config_get ssid "$vif" ssid
                append vif_post_up "vlan_mode 0" "$N"
                append vif_post_up "ssid $ssid" "$N"
@@ -319,6 +327,7 @@ enable_broadcom() {
                }
 
                [ "$mode" = "adhoc" ] && {
+                       local bssid
                        config_get bssid "$vif" bssid
                        [ -n "$bssid" ] && {
                                append vif_pre_up "bssid $bssid" "$N"
@@ -330,18 +339,18 @@ enable_broadcom() {
 
                append vif_post_up "enabled 1" "$N"
 
+               local ifname
                config_get ifname "$vif" ifname
                #append if_up "ifconfig $ifname up" ";$N"
 
-               local net_cfg
-               net_cfg="$(find_net_config "$vif")"
+               local net_cfg="$(find_net_config "$vif")"
                [ -z "$net_cfg" ] || {
                        append if_up "set_wifi_up '$vif' '$ifname'" ";$N"
                        append if_up "start_net '$ifname' '$net_cfg'" ";$N"
                }
                [ -z "$nas" -o -z "$nasopts" ] || {
                        eval "${vif}_ssid=\"\$ssid\""
-                       nas_mode="-A"
+                       local nas_mode="-A"
                        [ "$mode" = "sta" ] && nas_mode="-S"
                        [ -z "$nas_cmd" ] && {
                                local pid_file=/var/run/nas.$device.pid
@@ -406,7 +415,7 @@ detect_broadcom() {
        local i=-1
 
        while grep -qs "^ *wl$((++i)):" /proc/net/dev; do
-               local channel
+               local channel type
 
                config_get type wl${i} type
                [ "$type" = broadcom ] && continue