Index: scripts/wifi_reset_interface.sh
===================================================================
diff -u -r13ac42cf8bdc5038dedd3302ba79dc387e5704b4 -r0629dfe6bcc3e85047319284fa4c534efbf58594
--- scripts/wifi_reset_interface.sh	(.../wifi_reset_interface.sh)	(revision 13ac42cf8bdc5038dedd3302ba79dc387e5704b4)
+++ scripts/wifi_reset_interface.sh	(.../wifi_reset_interface.sh)	(revision 0629dfe6bcc3e85047319284fa4c534efbf58594)
@@ -1,4 +1,10 @@
 #!/bin/sh
-iface=$1
-ifdown $iface
-ifup $iface
+
+if [ $# -eq 0 ]; then
+    currentFile=$(basename "$0")
+    echo "Usage: ./$currentFile <iface>"
+    exit 0
+fi
+
+ifdown $1
+ifup $1