[openwrt/openwrt] layerscape: mkits-multiple-config: fail on invalid arguments

[LEDE Commits]

rmilecki pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/b8bbac951c42c6639a66696ade4477aa2be6aa54

commit b8bbac951c42c6639a66696ade4477aa2be6aa54
Author: Rafał Miłecki <rafal at milecki.pl>
AuthorDate: Mon Oct 25 10:17:15 2021 +0200

    layerscape: mkits-multiple-config: fail on invalid arguments
    
    Fail if arguments couldn't be parsed and print unrecognized part. It's
    important when running it from script with dynamic values. Missing value
    could result in skipping argument and silent failures (unexpected its).
    
    Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
 target/linux/layerscape/image/mkits-multiple-config.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/target/linux/layerscape/image/mkits-multiple-config.sh b/target/linux/layerscape/image/mkits-multiple-config.sh
index 68870686c5..b2d8f4ef7f 100755
--- a/target/linux/layerscape/image/mkits-multiple-config.sh
+++ b/target/linux/layerscape/image/mkits-multiple-config.sh
@@ -198,6 +198,11 @@ parse_args() {
 			usage;;
 		esac
 	done
+	shift $(($OPTIND - 1))
+	[ $# -gt 0 ] && {
+		echo "Failed to parse all passed arguments (unrecognized: \"$@\")"
+		exit 1
+	}
 	[ -n "${OUTPUT}" ] || OUTPUT=fitimage.its
 	[ -n "${VERSION}" ] || VERSION="Unknown"
 	[ -n "${ARCH}" ] || ARCH=arm