From 695d78e4aac7a0e87d1511b14137d66a509f6881 Mon Sep 17 00:00:00 2001
From: kszaq <kszaquitto@gmail.com>
Date: Tue, 13 Feb 2018 22:31:58 +0100
Subject: [PATCH] projects/Amlogic: fix update script when no *.dtb in /flash

If there is no file matching /flash/*.dtb wildcard, the loop will proceed
with all_dtb="/flash/*.dtb", causing erratic behaviour in next script
steps. Fix this by checking if  exists before proceeding.
---
 projects/Amlogic/bootloader/update.sh | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/projects/Amlogic/bootloader/update.sh b/projects/Amlogic/bootloader/update.sh
index 4c0e5afed4..97e1573fcb 100755
--- a/projects/Amlogic/bootloader/update.sh
+++ b/projects/Amlogic/bootloader/update.sh
@@ -75,12 +75,14 @@ for arg in $(cat /proc/cmdline); do
         esac
       fi
 
-      for all_dtb in /flash/*.dtb /flash/DTB; do
-        dtb=$(basename $all_dtb)
-        if [ -f $SYSTEM_ROOT/usr/share/bootloader/$dtb ]; then
-          echo "*** updating Device Tree Blob: $dtb ..."
-          mount -o rw,remount $BOOT_ROOT
-          cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT
+      for all_dtb in /flash/*.dtb ; do
+        if [ -f $all_dtb ] ; then
+          dtb=$(basename $all_dtb)
+          if [ -f $SYSTEM_ROOT/usr/share/bootloader/$dtb ]; then
+            echo "*** updating Device Tree Blob: $dtb ..."
+            mount -o rw,remount $BOOT_ROOT
+            cp -p $SYSTEM_ROOT/usr/share/bootloader/$dtb $BOOT_ROOT
+          fi
         fi
       done
       ;;