selftests: bpf: notification about privilege required to run test_kmod.sh testing...

[ Upstream commit 81e167c2a216e7b54e6add9d2badcda267fe33b1 ]

The test_kmod.sh script require root privilege for the successful
execution of the test.

This patch is to notify the user about the privilege the script
demands for the successful execution of the test.

Signed-off-by: Jeffrin Jose T (Rajagiri SET) <ahiliation@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/tools/testing/selftests/bpf/test_kmod.sh b/tools/testing/selftests/bpf/test_kmod.sh
index ed4774d8d6ed1c792f14825628a2c486acf7df08..0f7b9aa9c6a5d445d1c46d9d564f3bce40dd86e9 100755 (executable)
--- a/tools/testing/selftests/bpf/test_kmod.sh
+++ b/tools/testing/selftests/bpf/test_kmod.sh
@@ -1,6 +1,15 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+msg="skip all tests:"
+if [ "$(id -u)" != "0" ]; then
+       echo $msg please run this as root >&2
+       exit $ksft_skip
+fi
+
 SRC_TREE=../../../../
 
 test_run()