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scripts/check-config.sh: Add usage()

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When arguments are not supplied the error message is misleading and
doesn't tell what exactly has to be done.

Fix this by adding usage() and call it if above circumstance occurs.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Andy Shevchenko 2018-12-11 18:22:28 +02:00 committed by Tom Rini
parent 562a63e86b
commit 94ca269049
1 changed files with 9 additions and 0 deletions
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9
scripts/check-config.sh
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@ -17,6 +17,15 @@
set -e
set -u
PROG_NAME="${0##*/}"
usage() {
echo "$PROG_NAME <path to u-boot.cfg> <path to whitelist file> <source dir>"
exit 1
}
[ $# -ge 3 ] || usage
path="$1"
whitelist="$2"
srctree="$3"