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authorLinus Torvalds <torvalds@linux-foundation.org>2017-11-02 10:04:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-02 10:04:46 -0700
commitead751507de86d90fa250431e9990a8b881f713c (patch)
tree21cc6437c1fb42e122c3fe6ce23daea610a105ab /security
parentfdebad11e50ea05597af09cfc71f874cba0c3886 (diff)
parente2be04c7f9958dde770eeb8b30e829ca969b37bb (diff)
Merge tag 'spdx_identifiers-4.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull initial SPDX identifiers from Greg KH: "License cleanup: add SPDX license identifiers to some files Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'spdx_identifiers-4.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: License cleanup: add SPDX license identifier to uapi header files with a license License cleanup: add SPDX license identifier to uapi header files with no license License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Diffstat (limited to 'security')
-rw-r--r--security/Makefile1
-rw-r--r--security/apparmor/Makefile1
-rw-r--r--security/device_cgroup.c1
-rw-r--r--security/integrity/Makefile1
-rw-r--r--security/integrity/ima/Makefile1
-rw-r--r--security/keys/Makefile1
-rw-r--r--security/keys/encrypted-keys/Makefile1
-rw-r--r--security/keys/encrypted-keys/encrypted.h1
-rw-r--r--security/keys/trusted.h1
-rw-r--r--security/min_addr.c1
-rw-r--r--security/selinux/Makefile1
-rw-r--r--security/selinux/include/avc.h1
-rw-r--r--security/selinux/include/avc_ss.h1
-rw-r--r--security/selinux/include/classmap.h1
-rw-r--r--security/selinux/include/initial_sid_to_string.h1
-rw-r--r--security/selinux/include/security.h1
-rw-r--r--security/selinux/include/xfrm.h1
-rw-r--r--security/selinux/ss/constraint.h1
-rw-r--r--security/selinux/ss/context.h1
-rw-r--r--security/selinux/ss/ebitmap.c1
-rw-r--r--security/selinux/ss/ebitmap.h1
-rw-r--r--security/selinux/ss/hashtab.c1
-rw-r--r--security/selinux/ss/hashtab.h1
-rw-r--r--security/selinux/ss/mls.c1
-rw-r--r--security/selinux/ss/mls.h1
-rw-r--r--security/selinux/ss/mls_types.h1
-rw-r--r--security/selinux/ss/services.h1
-rw-r--r--security/selinux/ss/sidtab.c1
-rw-r--r--security/selinux/ss/sidtab.h1
-rw-r--r--security/selinux/ss/symtab.c1
-rw-r--r--security/selinux/ss/symtab.h1
-rw-r--r--security/tomoyo/Makefile1
-rw-r--r--security/tomoyo/audit.c1
-rw-r--r--security/tomoyo/common.c1
-rw-r--r--security/tomoyo/common.h1
-rw-r--r--security/tomoyo/condition.c1
-rw-r--r--security/tomoyo/domain.c1
-rw-r--r--security/tomoyo/environ.c1
-rw-r--r--security/tomoyo/file.c1
-rw-r--r--security/tomoyo/gc.c1
-rw-r--r--security/tomoyo/group.c1
-rw-r--r--security/tomoyo/load_policy.c1
-rw-r--r--security/tomoyo/memory.c1
-rw-r--r--security/tomoyo/mount.c1
-rw-r--r--security/tomoyo/network.c1
-rw-r--r--security/tomoyo/realpath.c1
-rw-r--r--security/tomoyo/securityfs_if.c1
-rw-r--r--security/tomoyo/tomoyo.c1
-rw-r--r--security/tomoyo/util.c1
49 files changed, 49 insertions, 0 deletions
diff --git a/security/Makefile b/security/Makefile
index f2d71cdb8e19..4d2d3782ddef 100644
--- a/security/Makefile
+++ b/security/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the kernel security code
#
diff --git a/security/apparmor/Makefile b/security/apparmor/Makefile
index 81a34426d024..9a6b4033d52b 100644
--- a/security/apparmor/Makefile
+++ b/security/apparmor/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
# Makefile for AppArmor Linux Security Module
#
obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 03c1652c9a1f..5ef7e5240563 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* device_cgroup.c - device cgroup subsystem
*
diff --git a/security/integrity/Makefile b/security/integrity/Makefile
index 8d1f4bf51087..04d6e462b079 100644
--- a/security/integrity/Makefile
+++ b/security/integrity/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for caching inode integrity data (iint)
#
diff --git a/security/integrity/ima/Makefile b/security/integrity/ima/Makefile
index 29f198bde02b..d921dc4f9eb0 100644
--- a/security/integrity/ima/Makefile
+++ b/security/integrity/ima/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for building Trusted Computing Group's(TCG) runtime Integrity
# Measurement Architecture(IMA).
diff --git a/security/keys/Makefile b/security/keys/Makefile
index 57dff0c15809..ef1581b337a3 100644
--- a/security/keys/Makefile
+++ b/security/keys/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for key management
#
diff --git a/security/keys/encrypted-keys/Makefile b/security/keys/encrypted-keys/Makefile
index d6f8433250a5..7a44dce6f69d 100644
--- a/security/keys/encrypted-keys/Makefile
+++ b/security/keys/encrypted-keys/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for encrypted keys
#
diff --git a/security/keys/encrypted-keys/encrypted.h b/security/keys/encrypted-keys/encrypted.h
index 47802c0de735..1809995db452 100644
--- a/security/keys/encrypted-keys/encrypted.h
+++ b/security/keys/encrypted-keys/encrypted.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ENCRYPTED_KEY_H
#define __ENCRYPTED_KEY_H
diff --git a/security/keys/trusted.h b/security/keys/trusted.h
index ff001a5dcb24..8d5fe9eafb22 100644
--- a/security/keys/trusted.h
+++ b/security/keys/trusted.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __TRUSTED_KEY_H
#define __TRUSTED_KEY_H
diff --git a/security/min_addr.c b/security/min_addr.c
index f728728f193b..94d2b0cf0e7b 100644
--- a/security/min_addr.c
+++ b/security/min_addr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/security.h>
diff --git a/security/selinux/Makefile b/security/selinux/Makefile
index ff5895ede96f..c7161f8792b2 100644
--- a/security/selinux/Makefile
+++ b/security/selinux/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for building the SELinux module as part of the kernel tree.
#
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index a5004e9de11a..57d61cf36500 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Access vector cache interface for object managers.
*
diff --git a/security/selinux/include/avc_ss.h b/security/selinux/include/avc_ss.h
index 37d57dadd476..3bcc72769b87 100644
--- a/security/selinux/include/avc_ss.h
+++ b/security/selinux/include/avc_ss.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Access vector cache interface for the security server.
*
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index 35ffb29a69cb..cc35695d97b4 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/capability.h>
#define COMMON_FILE_SOCK_PERMS "ioctl", "read", "write", "create", \
diff --git a/security/selinux/include/initial_sid_to_string.h b/security/selinux/include/initial_sid_to_string.h
index a59b64e3fd02..4f93f697f71c 100644
--- a/security/selinux/include/initial_sid_to_string.h
+++ b/security/selinux/include/initial_sid_to_string.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* This file is automatically generated. Do not edit. */
static const char *initial_sid_to_string[] =
{
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 28dfb2f93e4d..02f0412d42f2 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Security server interface.
*
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index 36a7ce9e11ff..1f173a7a4daa 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* SELinux support for the XFRM LSM hooks
*
diff --git a/security/selinux/ss/constraint.h b/security/selinux/ss/constraint.h
index 33ae2aec4f36..4e563be9ef5f 100644
--- a/security/selinux/ss/constraint.h
+++ b/security/selinux/ss/constraint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* A constraint is a condition that must be satisfied in
* order for one or more permissions to be granted.
diff --git a/security/selinux/ss/context.h b/security/selinux/ss/context.h
index a2c0f37c42ae..2260c44a568c 100644
--- a/security/selinux/ss/context.h
+++ b/security/selinux/ss/context.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* A security context is a set of security attributes
* associated with each subject and object controlled
diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index fc28149a4f2e..b6a78b09235c 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Implementation of the extensible bitmap type.
*
diff --git a/security/selinux/ss/ebitmap.h b/security/selinux/ss/ebitmap.h
index da1325dda550..edf4fa39c60a 100644
--- a/security/selinux/ss/ebitmap.h
+++ b/security/selinux/ss/ebitmap.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* An extensible bitmap is a bitmap that supports an
* arbitrary number of bits. Extensible bitmaps are
diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c
index 686c3917064c..6bd6dcd954fa 100644
--- a/security/selinux/ss/hashtab.c
+++ b/security/selinux/ss/hashtab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Implementation of the hash table type.
*
diff --git a/security/selinux/ss/hashtab.h b/security/selinux/ss/hashtab.h
index 009fb5e06172..3e3e42bfd150 100644
--- a/security/selinux/ss/hashtab.h
+++ b/security/selinux/ss/hashtab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* A hash table (hashtab) maintains associations between
* key values and datum values. The type of the key values
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index d9dc34f4fade..ad982ce8bfa4 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Implementation of the multi-level security (MLS) policy.
*
diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h
index 0f0a1d65b2ce..131d76266ea5 100644
--- a/security/selinux/ss/mls.h
+++ b/security/selinux/ss/mls.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Multi-level security (MLS) policy operations.
*
diff --git a/security/selinux/ss/mls_types.h b/security/selinux/ss/mls_types.h
index 47f3702cd596..068e0d7809db 100644
--- a/security/selinux/ss/mls_types.h
+++ b/security/selinux/ss/mls_types.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Type definitions for the multi-level security (MLS) policy.
*
diff --git a/security/selinux/ss/services.h b/security/selinux/ss/services.h
index 3d9fa9556b4f..356bdd36cf6d 100644
--- a/security/selinux/ss/services.h
+++ b/security/selinux/ss/services.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Implementation of the security services.
*
diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index 6ae08efc5ae7..5be31b7af225 100644
--- a/security/selinux/ss/sidtab.c
+++ b/security/selinux/ss/sidtab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Implementation of the SID table type.
*
diff --git a/security/selinux/ss/sidtab.h b/security/selinux/ss/sidtab.h
index de5d0ea583d2..a1a1d2617b6f 100644
--- a/security/selinux/ss/sidtab.h
+++ b/security/selinux/ss/sidtab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* A security identifier table (sidtab) is a hash table
* of security context structures indexed by SID value.
diff --git a/security/selinux/ss/symtab.c b/security/selinux/ss/symtab.c
index d1a6745849a7..dc2ce94165d3 100644
--- a/security/selinux/ss/symtab.c
+++ b/security/selinux/ss/symtab.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Implementation of the symbol table type.
*
diff --git a/security/selinux/ss/symtab.h b/security/selinux/ss/symtab.h
index 0bc12d587d3a..d75fcafe7281 100644
--- a/security/selinux/ss/symtab.h
+++ b/security/selinux/ss/symtab.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* A symbol table (symtab) maintains associations between symbol
* strings and datum values. The type of the datum values
diff --git a/security/tomoyo/Makefile b/security/tomoyo/Makefile
index 65dbcb2fd850..b7c6a7ffc058 100644
--- a/security/tomoyo/Makefile
+++ b/security/tomoyo/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-y = audit.o common.o condition.o domain.o environ.o file.o gc.o group.o load_policy.o memory.o mount.o network.o realpath.o securityfs_if.o tomoyo.o util.o
targets += builtin-policy.h
diff --git a/security/tomoyo/audit.c b/security/tomoyo/audit.c
index 3ffa4f5509d8..d330b060dcff 100644
--- a/security/tomoyo/audit.c
+++ b/security/tomoyo/audit.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/audit.c
*
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index e0fb75052550..21691b99e61f 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/common.c
*
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 361e7a284699..e4097d7994b1 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* security/tomoyo/common.h
*
diff --git a/security/tomoyo/condition.c b/security/tomoyo/condition.c
index 6c4528d4b48f..8d0e1b9c9c57 100644
--- a/security/tomoyo/condition.c
+++ b/security/tomoyo/condition.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/condition.c
*
diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c
index 00d223e9fb37..f6758dad981f 100644
--- a/security/tomoyo/domain.c
+++ b/security/tomoyo/domain.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/domain.c
*
diff --git a/security/tomoyo/environ.c b/security/tomoyo/environ.c
index ad4c6e18a437..7f0a471f19b2 100644
--- a/security/tomoyo/environ.c
+++ b/security/tomoyo/environ.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/environ.c
*
diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index 223f21ffa632..2a374b4da8f5 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/file.c
*
diff --git a/security/tomoyo/gc.c b/security/tomoyo/gc.c
index 540bc29e1b5a..e22bea811c57 100644
--- a/security/tomoyo/gc.c
+++ b/security/tomoyo/gc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/gc.c
*
diff --git a/security/tomoyo/group.c b/security/tomoyo/group.c
index 944ad77d8fba..21b0cc3a7e1a 100644
--- a/security/tomoyo/group.c
+++ b/security/tomoyo/group.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/group.c
*
diff --git a/security/tomoyo/load_policy.c b/security/tomoyo/load_policy.c
index 078fac0bb4c5..81b951652051 100644
--- a/security/tomoyo/load_policy.c
+++ b/security/tomoyo/load_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/load_policy.c
*
diff --git a/security/tomoyo/memory.c b/security/tomoyo/memory.c
index 1598b559ac42..12477e0b0a11 100644
--- a/security/tomoyo/memory.c
+++ b/security/tomoyo/memory.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/memory.c
*
diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c
index 14b53fb2a0cf..807fd91dbb54 100644
--- a/security/tomoyo/mount.c
+++ b/security/tomoyo/mount.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/mount.c
*
diff --git a/security/tomoyo/network.c b/security/tomoyo/network.c
index 6c02ac478247..cd6932e5225c 100644
--- a/security/tomoyo/network.c
+++ b/security/tomoyo/network.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/network.c
*
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index a97b275ca3af..6ff8c21e4fff 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/realpath.c
*
diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c
index 06ab41b1ff28..49393c2a3f8b 100644
--- a/security/tomoyo/securityfs_if.c
+++ b/security/tomoyo/securityfs_if.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/securityfs_if.c
*
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index d25b705360e0..213b8c593668 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/tomoyo.c
*
diff --git a/security/tomoyo/util.c b/security/tomoyo/util.c
index 848317fea704..580b318910f1 100644
--- a/security/tomoyo/util.c
+++ b/security/tomoyo/util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* security/tomoyo/util.c
*