[OE-core] [PATCH v4] image_types.bbclass: Prompt error message on missing setting in UBI and UBIFS

[yin.thong.choong at intel.com]

From: Choong YinThong <yin.thong.choong at intel.com>

Prompt error message to guide user add argument
MKUBIFS_ARGS and UBINIZE_ARGS in local.conf on
every UBI and UBIFS image creation.

[YOCTO #11589]

Signed-off-by: Choong YinThong <yin.thong.choong at intel.com>
---
 meta/classes/image_types.bbclass | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 7749b00..e496385 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -145,6 +145,14 @@ UBI_VOLNAME ?= "${MACHINE}-rootfs"
 multiubi_mkfs() {
 	local mkubifs_args="$1"
 	local ubinize_args="$2"
+    
+        # Added prompt error message for ubi and ubifs image creation.
+        if [ -z "$mkubifs_args"] || [ -z "$ubinize_args" ]; then
+            bberror "MKUBIFS_ARGS and UBINIZE_ARGS argument have to set in machine.conf for UBI and UBIFS image creation."
+            bberror "Detail please visit this link http://www.linux-mtd.infradead.org/faq/ubifs.html"
+            return
+        fi
+    
 	if [ -z "$3" ]; then
 		local vname=""
 	else
-- 
2.7.4