[PATCH 2/6] kernel-fitimage: fix external dtb check

[Adrian Freihofer <adrian.freihofer@gmail.com>]

From: Adrian Freihofer <adrian.freihofer@siemens.com>

If EXTERNAL_KERNEL_DEVICETREE and dtb_image_sect are empty variables
dtb_path ends up as "/" which is available on most Unix systems but
probably not the dtb_path which is needed here. Checking for a file
makes more sense and also solves the issue with the "/".

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
---
 meta/classes-recipe/kernel-fitimage.bbclass | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/classes-recipe/kernel-fitimage.bbclass b/meta/classes-recipe/kernel-fitimage.bbclass
index ce52297aec3..67c98adb232 100644
--- a/meta/classes-recipe/kernel-fitimage.bbclass
+++ b/meta/classes-recipe/kernel-fitimage.bbclass
@@ -429,7 +429,7 @@ fitimage_emit_section_config() {
 	fi
 
 	dtb_path="${EXTERNAL_KERNEL_DEVICETREE}/${dtb_image_sect}"
-	if [ -e "$dtb_path" ]; then
+	if [ -f "$dtb_path" ] || [ -L "$dtb_path" ]; then
 		compat=$(fdtget -t s "$dtb_path" / compatible | sed 's/ /", "/g')
 		if [ -n "$compat" ]; then
 			compatible_line="compatible = \"$compat\";"
-- 
2.45.2