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>

1 files changed, 3 insertions, 1 deletions

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() {