update

[Ventoy.git] / IMG / cpio / ventoy / hook / debian / udev_disk_hook.sh

diff --git a/IMG/cpio/ventoy/hook/debian/udev_disk_hook.sh b/IMG/cpio/ventoy/hook/debian/udev_disk_hook.sh
index 6dd6882b39c12856d934db2c3b5e86c09516b8d1..d2afcc82a1a55283d55fa63563f2b5865221f61c 100644 (file)
--- a/IMG/cpio/ventoy/hook/debian/udev_disk_hook.sh
+++ b/IMG/cpio/ventoy/hook/debian/udev_disk_hook.sh
@@ -99,7 +99,18 @@ ventoy_udev_disk_common_hook $*
 # So if ventoy is installed on a non-USB device, we just mount /cdrom here except
 # for these has boot=live or boot=casper parameter in cmdline
 #
-if echo $ID_BUS | $GREP -q -i usb; then
+VT_BUS_USB=""
+if [ -n "$ID_BUS" ]; then
+    if echo $ID_BUS | $GREP -q -i usb; then
+        VT_BUS_USB="YES"
+    fi
+else
+    if $BUSYBOX_PATH/ls -l /sys/class/block/${1:0:-1} | $GREP -q -i usb; then
+        VT_BUS_USB="YES"
+    fi
+fi
+
+if [ -n "$VT_BUS_USB" ]; then
     vtlog "$1 is USB device"
 else
     vtlog "$1 is NOT USB device (bus $ID_BUS)"