From 338a96e7c317e2b32dc8d59a1900566c670b7347 Mon Sep 17 00:00:00 2001
From: Jamin Lin <jamin_lin@aspeedtech.com>
Date: Fri, 19 Jan 2024 14:19:35 +0800
Subject: [PATCH] uboot-sign: Fix to install nonexistent dtb file

Add to check dtb file exist, then install it.

(From OE-Core rev: d2d818534d9334213730c169f8b235af8a794b33)

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 meta/classes-recipe/uboot-sign.bbclass | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/meta/classes-recipe/uboot-sign.bbclass b/meta/classes-recipe/uboot-sign.bbclass
index abde0bc61c..4b462698f9 100644
--- a/meta/classes-recipe/uboot-sign.bbclass
+++ b/meta/classes-recipe/uboot-sign.bbclass
@@ -318,7 +318,9 @@ EOF
 			${SPL_MKIMAGE_SIGN_ARGS}
 	fi
 
-	cp ${SPL_DIR}/${SPL_DTB_BINARY} ${SPL_DIR}/${SPL_DTB_SIGNED}
+	if [ -e "${SPL_DIR}/${SPL_DTB_BINARY}" ]; then
+		cp ${SPL_DIR}/${SPL_DTB_BINARY} ${SPL_DIR}/${SPL_DTB_SIGNED}
+	fi
 }
 
 uboot_assemble_fitimage_helper() {