airgap/config/heads/patches/usb-boot.patch

diff --git a/initrd/bin/gui-init b/initrd/bin/gui-init
index 38953ca..1740da6 100755
--- a/initrd/bin/gui-init
+++ b/initrd/bin/gui-init
@@ -13,6 +13,11 @@ mount_boot()
   
   # Mount local disk if it is not already mounted
   while ! grep -q /boot /proc/mounts ; do
+
+    if [ "$CONFIG_BOOT_USB" = "y" ]; then
+        enable_usb
+    fi
+
     # try to mount if CONFIG_BOOT_DEV exists
     if [ -e "$CONFIG_BOOT_DEV" ]; then
       mount -o ro $CONFIG_BOOT_DEV /boot 
diff --git a/initrd/bin/mount-usb b/initrd/bin/mount-usb
index 501171a..2196bbd 100755
--- a/initrd/bin/mount-usb
+++ b/initrd/bin/mount-usb
@@ -4,19 +4,6 @@
 
 enable_usb
 
-if ! lsmod | grep -q usb_storage; then
-  count=$(ls /dev/sd* 2>/dev/null | wc -l)
-  timeout=0
-  echo "Scanning for USB storage devices..."
-  insmod /lib/modules/usb-storage.ko >/dev/null 2>&1 \
-  || die "usb_storage: module load failed"
-  while [[ $count == $(ls /dev/sd* 2>/dev/null | wc -l) ]]; do 
-    [[ $timeout -ge 4 ]] && break
-    sleep 1
-    timeout=$(($timeout+1))
-  done
-fi
-
 if [ ! -d /media ]; then
   mkdir /media
 fi
diff --git a/initrd/bin/usb-scan b/initrd/bin/usb-scan
index d9f26b0..330d672 100755
--- a/initrd/bin/usb-scan
+++ b/initrd/bin/usb-scan
@@ -5,12 +5,6 @@ set -e -o pipefail
 . /etc/gui_functions
 . /tmp/config
 
-# Unmount any previous boot device
-if grep -q /boot /proc/mounts ; then
-	umount /boot \
-		|| die "Unable to unmount /boot"
-fi
-
 # Mount the USB boot device
 mount_usb || die "Unable to mount /media"
 
diff --git a/initrd/etc/functions b/initrd/etc/functions
index dc0fbed..00afcdb 100755
--- a/initrd/etc/functions
+++ b/initrd/etc/functions
@@ -122,6 +122,18 @@ enable_usb()
 		|| die "xhci_pci: module load failed"
 		sleep 2
 	fi
+	if ! lsmod | grep -q usb_storage; then
+	  count=$(ls /dev/sd* 2>/dev/null | wc -l)
+	  timeout=0
+	  echo "Scanning for USB storage devices..."
+	  insmod /lib/modules/usb-storage.ko >/dev/null 2>&1 \
+	  || die "usb_storage: module load failed"
+	  while [[ $count == $(ls /dev/sd* 2>/dev/null | wc -l) ]]; do 
+	    [[ $timeout -ge 4 ]] && break
+	    sleep 1
+	    timeout=$(($timeout+1))
+	  done
+	fi
 }
 
 confirm_gpg_card()