[LTP] [PATCH v2 1/2] nfslock01: Add GPL-2.0-or-later license, copyright

[Petr Vorel]

C sources and headers in nfslock01 directory don't have a license.
Add GPL 2+.

Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
 testcases/network/nfs/nfslock01/nfs_flock.c      | 3 +++
 testcases/network/nfs/nfslock01/nfs_flock.h      | 5 +++++
 testcases/network/nfs/nfslock01/nfs_flock_dgen.c | 3 +++
 testcases/network/nfs/nfslock01/nfs_flock_func.c | 5 +++++
 4 files changed, 16 insertions(+)

diff --git a/testcases/network/nfs/nfslock01/nfs_flock.c b/testcases/network/nfs/nfslock01/nfs_flock.c
index 92acceee9..fe345780e 100644
--- a/testcases/network/nfs/nfslock01/nfs_flock.c
+++ b/testcases/network/nfs/nfslock01/nfs_flock.c
@@ -1,4 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
+ * Copyright (c) Linux Test Project, 2001-2023
+ *
  * Program for testing file locking. The original data file consists of
  * characters from 'A' to 'Z'. The data file after running this program
  * would consist of lines with 1's in even lines and 0's in odd lines.
diff --git a/testcases/network/nfs/nfslock01/nfs_flock.h b/testcases/network/nfs/nfslock01/nfs_flock.h
index 09e3845f4..6ed9eb689 100644
--- a/testcases/network/nfs/nfslock01/nfs_flock.h
+++ b/testcases/network/nfs/nfslock01/nfs_flock.h
@@ -1,3 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) Linux Test Project, 2001-2009
+ */
+
 #include <stdio.h>
 #include <sys/stat.h>
 #include <errno.h>
diff --git a/testcases/network/nfs/nfslock01/nfs_flock_dgen.c b/testcases/network/nfs/nfslock01/nfs_flock_dgen.c
index 39abc549f..129121d9e 100644
--- a/testcases/network/nfs/nfslock01/nfs_flock_dgen.c
+++ b/testcases/network/nfs/nfslock01/nfs_flock_dgen.c
@@ -1,4 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
+ * Copyright (c) Linux Test Project, 2001-2023
+ *
  * This program generates data for testing file locking
  */
 
diff --git a/testcases/network/nfs/nfslock01/nfs_flock_func.c b/testcases/network/nfs/nfslock01/nfs_flock_func.c
index 811136188..0896e9ae6 100644
--- a/testcases/network/nfs/nfslock01/nfs_flock_func.c
+++ b/testcases/network/nfs/nfslock01/nfs_flock_func.c
@@ -1,3 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) Linux Test Project, 2001-2012
+ */
+
 #include <stdlib.h>
 #include <unistd.h>
 
-- 
2.40.0