merge_config.sh: Display usage if given too few arguments
Two or more arguments are always expected. Show usage and exit if
given less.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 81b0c61..2ab91b9 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -77,6 +77,11 @@
esac
done
+if [ "$#" -lt 2 ] ; then
+ usage
+ exit
+fi
+
INITFILE=$1
shift;