Minor code corrections

3 years ago · 63c32ae0c3
parent 780735cce6
commit 63c32ae0c3
1 changed files with 2 additions and 1 deletions
--- a/3
+++ b/3
@ -95,7 +95,7 @@ function get_port() {
    while true; do
        local CANDIDATE=$((PORT_START + (RANDOM % PORT_RANGE)))
        (echo "" >/dev/tcp/127.0.0.1/${CANDIDATE}) >/dev/null 2>&1
-        if [ $? -ne 0 ]; then
+        if [ ${?} -ne 0 ]; then
            echo "${CANDIDATE}"
            break
        fi
@ -572,6 +572,7 @@ driver_iso=""
 disk_img=""
 disk="64G"
 usb_devices=()
+port_forwards=()
 ram=""
 cpu_cores=""