Enhance config_file function to improve MAC address validation by allowing unset variable expansion

2025-05-16 10:55:18 +02:00 · 2025-05-16 10:55:18 +02:00 · 749f22c72b
commit 749f22c72b
parent 741e2942db
1 changed files with 1 additions and 1 deletions
--- a/misc/build.func
+++ b/misc/build.func
@ -1186,7 +1186,7 @@ config_file() {
    fi
  fi

-  if [[ -n "${MAC}" ]]; then
+  if [[ -n "${MAC-}" ]]; then
    if [[ "$MAC" =~ ^([A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2}$ ]]; then
      echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC${CL}"
      MAC=",hwaddr=$MAC"