From b16604d5b15b07c577a94a08e9e45c024a1c0348 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Iwanicki?= <michal.iwanicki@3mdeb.com>
Date: Fri, 6 Jun 2025 11:31:31 +0200
Subject: [PATCH] dts-functions: check if passed value is number in
 ask_for_model
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixes "integer expression expected" error

Signed-off-by: Michał Iwanicki <michal.iwanicki@3mdeb.com>
---
 include/dts-functions.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/dts-functions.sh b/include/dts-functions.sh
index 10436ab9..96ab9637 100644
--- a/include/dts-functions.sh
+++ b/include/dts-functions.sh
@@ -197,7 +197,12 @@ ask_for_model() {
     echo
     read -r -p "Enter an option: " OPTION
     echo
-
+    # loop if not a number
+    case "$OPTION" in
+    '' | *[!0-9]*)
+      continue
+      ;;
+    esac
     if [ "$OPTION" -eq 0 ]; then
       BOARD_MODEL=""
       return