linux-kernel - [PATCH 5.4 077/102] selftests: gen_kselftest

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Message-Id: <20200124092818.279058054@linuxfoundation.org>
Date:   Fri, 24 Jan 2020 10:31:18 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 077/102] selftests: gen_kselftest_tar.sh: Do not clobber kselftest/

From: Kees Cook <keescook@...omium.org>

[ Upstream commit ea1bf0bb18c0bd627d7b551196453ff2fff44225 ]

The default installation location for gen_kselftest_tar.sh was still
"kselftest/" which collides with the existing directory. Instead, this
moves the installation target into "kselftest_install/kselftest/" and
adjusts the tar creation accordingly. This also adjusts indentation and
logic to be consistent.

Fixes: 42d46e57ec97 ("selftests: Extract single-test shell logic from lib.mk")
Signed-off-by: Kees Cook <keescook@...omium.org>
Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/gen_kselftest_tar.sh | 21 ++++++++++-------
 tools/testing/selftests/kselftest_install.sh | 24 ++++++++++----------
 2 files changed, 25 insertions(+), 20 deletions(-)

diff --git a/tools/testing/selftests/gen_kselftest_tar.sh b/tools/testing/selftests/gen_kselftest_tar.sh
index a27e2eec35867..8b2b6088540d4 100755
--- a/tools/testing/selftests/gen_kselftest_tar.sh
+++ b/tools/testing/selftests/gen_kselftest_tar.sh
@@ -38,16 +38,21 @@ main()
 	esac
 	fi
 
-	install_dir=./kselftest
+	# Create working directory.
+	dest=`pwd`
+	install_work="$dest"/kselftest_install
+	install_name=kselftest
+	install_dir="$install_work"/"$install_name"
+	mkdir -p "$install_dir"
 
-# Run install using INSTALL_KSFT_PATH override to generate install
-# directory
-./kselftest_install.sh
-tar $copts kselftest${ext} $install_dir
-echo "Kselftest archive kselftest${ext} created!"
+	# Run install using INSTALL_KSFT_PATH override to generate install
+	# directory
+	./kselftest_install.sh "$install_dir"
+	(cd "$install_work"; tar $copts "$dest"/kselftest${ext} $install_name)
+	echo "Kselftest archive kselftest${ext} created!"
 
-# clean up install directory
-rm -rf kselftest
+	# clean up top-level install work directory
+	rm -rf "$install_work"
 }
 
 main "$@"
diff --git a/tools/testing/selftests/kselftest_install.sh b/tools/testing/selftests/kselftest_install.sh
index e2e1911d62d50..407af7da70372 100755
--- a/tools/testing/selftests/kselftest_install.sh
+++ b/tools/testing/selftests/kselftest_install.sh
@@ -6,30 +6,30 @@
 # Author: Shuah Khan <shuahkh@....samsung.com>
 # Copyright (C) 2015 Samsung Electronics Co., Ltd.
 
-install_loc=`pwd`
-
 main()
 {
-	if [ $(basename $install_loc) !=  "selftests" ]; then
+	base_dir=`pwd`
+	install_dir="$base_dir"/kselftest_install
+
+	# Make sure we're in the selftests top-level directory.
+	if [ $(basename "$base_dir") !=  "selftests" ]; then
 		echo "$0: Please run it in selftests directory ..."
 		exit 1;
 	fi
+
+	# Only allow installation into an existing location.
 	if [ "$#" -eq 0 ]; then
-		echo "$0: Installing in default location - $install_loc ..."
+		echo "$0: Installing in default location - $install_dir ..."
 	elif [ ! -d "$1" ]; then
 		echo "$0: $1 doesn't exist!!"
 		exit 1;
 	else
-		install_loc=$1
-		echo "$0: Installing in specified location - $install_loc ..."
+		install_dir="$1"
+		echo "$0: Installing in specified location - $install_dir ..."
 	fi
 
-	install_dir=$install_loc/kselftest_install
-
-# Create install directory
-	mkdir -p $install_dir
-# Build tests
-	KSFT_INSTALL_PATH=$install_dir make install
+	# Build tests
+	KSFT_INSTALL_PATH="$install_dir" make install
 }
 
 main "$@"
-- 
2.20.1