tahvo-usb: Fix NULL ptr deref in OTR irq handler

[openwrt.git] / package / base-files / files / sbin / wifi

diff --git a/package/base-files/files/sbin/wifi b/package/base-files/files/sbin/wifi
index bee6c28..e2dd0a3 100755 (executable)
--- a/package/base-files/files/sbin/wifi
+++ b/package/base-files/files/sbin/wifi
@@ -3,6 +3,14 @@
 
 . /etc/functions.sh
 
+usage() {
+       cat <<EOF
+Usage: $0 [down|detect]
+enables (default), disables or detects a wifi configuration.
+EOF
+       exit 1
+}
+
 find_net_config() {(
        local vif="$1"
        local cfg
@@ -183,5 +191,6 @@ scan_wifi
 case "$1" in
        down) wifi_updown "disable" "$2";;
        detect) wifi_detect "$2";;
+       --help|help) usage;;
        *) wifi_updown "enable" "$2";;
 esac