linux-kernel - [PATCH v4 2/8] selftests/kexec: cleanup the kexec selftest

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Date:   Thu, 14 Mar 2019 14:41:10 -0400
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     linux-integrity@...r.kernel.org
Cc:     linux-kselftest@...r.kernel.org, kexec@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Petr Vorel <pvorel@...e.cz>,
        Dave Young <dyoung@...hat.com>,
        Matthew Garrett <mjg59@...gle.com>,
        Mimi Zohar <zohar@...ux.ibm.com>
Subject: [PATCH v4 2/8] selftests/kexec: cleanup the kexec selftest

Remove the few bashisms and use the complete option name for clarity.

Signed-off-by: Mimi Zohar <zohar@...ux.ibm.com>
Reviewed-by: Petr Vorel <pvorel@...e.cz>
---
 tools/testing/selftests/kexec/test_kexec_load.sh | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/kexec/test_kexec_load.sh b/tools/testing/selftests/kexec/test_kexec_load.sh
index 1c10093fb526..82a01a4d5c8d 100755
--- a/tools/testing/selftests/kexec/test_kexec_load.sh
+++ b/tools/testing/selftests/kexec/test_kexec_load.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
-# SPDX-License-Identifier: GPL-2.0+
+# SPDX-License-Identifier: GPL-2.0
 # Loading a kernel image via the kexec_load syscall should fail
-# when the kerne is CONFIG_KEXEC_VERIFY_SIG enabled and the system
+# when the kernel is CONFIG_KEXEC_VERIFY_SIG enabled and the system
 # is booted in secureboot mode.
 
 TEST="$0"
@@ -12,8 +12,8 @@ rc=0
 ksft_skip=4
 
 # kexec requires root privileges
-if [ $UID != 0 ]; then
-	echo "$TEST: must be run as root" >&2
+if [ $(id -ru) -ne 0 ]; then
+	echo "$TEST: requires root privileges" >&2
 	exit $ksft_skip
 fi
 
@@ -33,17 +33,17 @@ secureboot=`hexdump $file | awk '{print substr($4,length($4),1)}'`
 
 # kexec_load should fail in secure boot mode
 KERNEL_IMAGE="/boot/vmlinuz-`uname -r`"
-kexec -l $KERNEL_IMAGE &>> /dev/null
-if [ $? == 0 ]; then
-	kexec -u
-	if [ "$secureboot" == "1" ]; then
+kexec --load $KERNEL_IMAGE > /dev/null 2>&1
+if [ $? -eq 0 ]; then
+	kexec --unload
+	if [ $secureboot -eq 1 ]; then
 		echo "$TEST: kexec_load succeeded [FAIL]"
 		rc=1
 	else
 		echo "$TEST: kexec_load succeeded [PASS]"
 	fi
 else
-	if [ "$secureboot" == "1" ]; then
+	if [ $secureboot -eq 1 ]; then
 		echo "$TEST: kexec_load failed [PASS]"
 	else
 		echo "$TEST: kexec_load failed [FAIL]"
-- 
2.7.5