fix integer overflow issue for i386-pc

[Ventoy.git] / INSTALL / grub / grub.cfg

diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index c497c6691a4dd4d8fe573b99b2402a78fabba5f9..70c97b2afc6b25a235f42f27bda3eb1513d6f803 100644 (file)
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -668,6 +668,14 @@ function uefi_unix_menu_func {
     fi
 }
 
+function ventoy_reset_nojoliet {
+    if vt_str_begin "$vt_volume_id" "ARCARESCUE"; then
+        vt_iso9660_nojoliet 1
+    else
+        vt_iso9660_nojoliet 0
+    fi
+}
+
 function uefi_iso_menu_func {
 
     if [ -d (loop)/ ]; then
@@ -691,7 +699,7 @@ function uefi_iso_menu_func {
         set ventoy_fs_probe=udf
     else
         set ventoy_fs_probe=iso9660
-        vt_iso9660_nojoliet 0
+        ventoy_reset_nojoliet
     fi
 
     loopback loop "${1}${chosen_path}"
@@ -880,7 +888,7 @@ function legacy_iso_menu_func {
         set ventoy_fs_probe=udf
     else
         set ventoy_fs_probe=iso9660
-        vt_iso9660_nojoliet 0
+        ventoy_reset_nojoliet
     fi
     
     loopback loop "${1}${chosen_path}"