From 954d7a7d7afc3ad4950eb0fd354a6f4bd06d911a Mon Sep 17 00:00:00 2001
From: Christopher Boyd <xpboyd@gmail.com>
Date: Mon, 18 May 2020 09:24:49 -0400
Subject: fix: handle if KERNEL_DEVICETREE isn't defined

---
 conf/machine/include/utilities.inc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'conf/machine')

diff --git a/conf/machine/include/utilities.inc b/conf/machine/include/utilities.inc
index 164d77f4..e9695bde 100644
--- a/conf/machine/include/utilities.inc
+++ b/conf/machine/include/utilities.inc
@@ -6,6 +6,11 @@ def make_dtb_boot_files(d):
     # Use only the basename for dtb files:
     alldtbs = d.getVar('KERNEL_DEVICETREE')
 
+
+    # DTBs may be built out of kernel with devicetree.bbclass
+    if not alldtbs:
+        return ''
+
     def transform(dtb):
         if not (dtb.endswith('dtb') or dtb.endswith('dtbo')):
             # eg: whatever/bcm2708-rpi-b.dtb has:
-- 
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