[ndctl PATCH v2 1/2] test: move err() function at the top

[marc.herbert@linux.intel.com]

From: Marc Herbert <marc.herbert@linux.intel.com>

move err() function at the top so we can fail early. err() does not have
any dependency so it can be first.

Signed-off-by: Marc Herbert <marc.herbert@linux.intel.com>
---
 test/common | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/test/common b/test/common
index 75ff1a6e12be..74e74dd4fff9 100644
--- a/test/common
+++ b/test/common
@@ -1,6 +1,20 @@
 # SPDX-License-Identifier: GPL-2.0
 # Copyright (C) 2018, FUJITSU LIMITED. All rights reserved.
 
+# err
+# $1: line number which error detected
+# $2: cleanup function (optional)
+#
+
+test_basename=$(basename "$0")
+
+err()
+{
+	echo test/"$test_basename": failed at line "$1"
+	[ -n "$2" ] && "$2"
+	exit "$rc"
+}
+
 # Global variables
 
 # NDCTL
@@ -53,17 +67,6 @@ E820_BUS="e820"
 
 # Functions
 
-# err
-# $1: line number which error detected
-# $2: cleanup function (optional)
-#
-err()
-{
-	echo test/$(basename $0): failed at line $1
-	[ -n "$2" ] && "$2"
-	exit $rc
-}
-
 reset()
 {
 	$NDCTL disable-region -b $NFIT_TEST_BUS0 all
-- 
2.49.0