49 files changed, 49 insertions, 0 deletions

diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 2db63997f313..f47f526b4f19 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/rtnetlink.h>
diff --git a/net/compat.c b/net/compat.c
index a031bd333092..3f9ce609397f 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * 32bit Socket syscall emulation. Based on arch/sparc64/kernel/sys_sparc32.c.
  *
diff --git a/net/core/dst.c b/net/core/dst.c
index 1f13d90cd0e4..e46366228eaf 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * net/core/dst.c       Protocol independent destination cache.
  *
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 548f39dde307..edd622956083 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
 #include <linux/export.h>
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 711b161505ac..15f68842ac6b 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/workqueue.h>
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index a0f05416657b..dd8b1a460d64 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Common framework for low-level network console, dump, and debugger code
  *
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index af6ad467ed61..7b6b1d2c3d10 100644
--- a/net/core/secure_seq.c
+++ b/net/core/secure_seq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
  */
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 88c5069b5d20..c411c87ae865 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * INET         An implementation of the TCP/IP protocol suite for the LINUX
  *              operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ac880beda8a7..bfd0ca554977 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * INET         An implementation of the TCP/IP protocol suite for the LINUX
  *              operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/metrics.c b/net/ipv4/metrics.c
index ca9a5fefdefa..3205d5f7c8c9 100644
--- a/net/ipv4/metrics.c
+++ b/net/ipv4/metrics.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
 #include <linux/types.h>
diff --git a/net/ipv4/netlink.c b/net/ipv4/netlink.c
index d8e3a1fb8e82..b920e1bdcf58 100644
--- a/net/ipv4/netlink.c
+++ b/net/ipv4/netlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
 #include <linux/types.h>
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index bc6c02f16243..e1862b64a90f 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Pluggable TCP congestion control support and newReno
  * congestion control.
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 9c2a0d36fb20..7c35731816e2 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * INET         An implementation of the TCP/IP protocol suite for the LINUX
  *              operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0c4ed66dc1bf..f429e856e263 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * INET         An implementation of the TCP/IP protocol suite for the LINUX
  *              operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/tcp_rate.c b/net/ipv4/tcp_rate.c
index baed2186c7c6..0de693565963 100644
--- a/net/ipv4/tcp_rate.c
+++ b/net/ipv4/tcp_rate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <net/tcp.h>
 
 /* The bandwidth estimator estimates the rate at which the network
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 2ac23da42dd2..5bad937ce779 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * INET         An implementation of the TCP/IP protocol suite for the LINUX
  *              operating system.  INET is implemented using the  BSD Socket
diff --git a/net/ipv4/tcp_ulp.c b/net/ipv4/tcp_ulp.c
index 95df7f7f6328..3d8a1d835471 100644
--- a/net/ipv4/tcp_ulp.c
+++ b/net/ipv4/tcp_ulp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Pluggable TCP upper layer protocol support.
  *
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index 763a947e0d14..5b1246635e02 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * IPv6 library code, needed by static components when full IPv6 support is
  * not configured or static.
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index ae365df8abf7..11a43ee4dd45 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * IPv6 library code, needed by static components when full IPv6 support is
  * not configured or static.
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index 868ae23dbae1..af36acc1a644 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * IPv6 library code, needed by static components when full IPv6 support is
  * not configured or static.  These functions are needed by GSO/GRO implementation.
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index d9558ffb8acf..9c94baaf693c 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * mac80211 - channel management
  */
diff --git a/net/netfilter/ipset/pfxlen.c b/net/netfilter/ipset/pfxlen.c
index d5be9c25fad6..ff570bff9221 100644
--- a/net/netfilter/ipset/pfxlen.c
+++ b/net/netfilter/ipset/pfxlen.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/export.h>
 #include <linux/netfilter/ipset/pfxlen.h>
 
diff --git a/net/netfilter/ipvs/ip_vs_pe.c b/net/netfilter/ipvs/ip_vs_pe.c
index 0df17caa8af6..8e104dff7abc 100644
--- a/net/netfilter/ipvs/ip_vs_pe.c
+++ b/net/netfilter/ipvs/ip_vs_pe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #define KMSG_COMPONENT "IPVS"
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index ee9ab10a32e4..c2eb365f1723 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ip_conntrack_proto_gre.c - Version 3.0
  *
diff --git a/net/netfilter/nf_conntrack_seqadj.c b/net/netfilter/nf_conntrack_seqadj.c
index 9da303461069..dc21a43cd145 100644
--- a/net/netfilter/nf_conntrack_seqadj.c
+++ b/net/netfilter/nf_conntrack_seqadj.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/types.h>
 #include <linux/netfilter.h>
 #include <net/tcp.h>
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 0d603e20b519..96825e20368f 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index a61d6df6e5f6..3574a212bdc2 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 2e0a6f92e563..d024af4be85e 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright 2009, Oracle.  All rights reserved.
  *
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index e7861026b9e5..cdb05b48de44 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/auth.c
  *
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index c1f1afabd024..d6e57da56c94 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  linux/net/sunrpc/clnt.c
  *
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 979d23646e33..126d31472a99 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * net/sunrpc/rpc_pipe.c
  *
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 2277b7cdad27..4a020b688860 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * In-kernel rpcbind client supporting versions 2, 3, and 4 of the rpcbind
  * protocol
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 1a12fb03e611..bb04ae52803a 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/sched.c
  *
diff --git a/net/sunrpc/socklib.c b/net/sunrpc/socklib.c
index 9faea12624a6..1a864f1ed119 100644
--- a/net/sunrpc/socklib.c
+++ b/net/sunrpc/socklib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/socklib.c
  *
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index 71166b393732..2b6dc7e5f74f 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/stats.c
  *
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 2be827820247..e15cb704453e 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/svc.c
  *
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 9429b28e9ba0..869ce7737997 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/svc_xprt.c
  *
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c
index 775b8c94265b..550b214cb001 100644
--- a/net/sunrpc/svcauth.c
+++ b/net/sunrpc/svcauth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/svcauth.c
  *
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index f92ef79c8ea5..5c04ba7d456b 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/module.h>
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 540fde2804d0..2934dd711715 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/svcsock.c
  *
diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index 0bea8ff8b0d3..d75f17b56f0e 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/sysctl.c
  *
diff --git a/net/sunrpc/timer.c b/net/sunrpc/timer.c
index 08881d0c9672..81ae35b3764f 100644
--- a/net/sunrpc/timer.c
+++ b/net/sunrpc/timer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/timer.c
  *
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index aa8177ddcbda..48c93b9e525e 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/net/sunrpc/xdr.c
  *
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index a9d40bc7ebed..ad21880d5601 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  linux/net/sunrpc/xprt.c
  *
diff --git a/net/sysctl_net.c b/net/sysctl_net.c
index 9aed6fe1bf1a..d14dab8b6774 100644
--- a/net/sysctl_net.c
+++ b/net/sysctl_net.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /* -*- linux-c -*-
  * sysctl_net.c: sysctl interface to net subsystem.
  *
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index fffe4b371e23..c391b560d986 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * This is the new netlink-based wireless configuration interface.
  *
diff --git a/net/wireless/wext-compat.h b/net/wireless/wext-compat.h
index 94c7405a5413..8d3cc1552e2f 100644
--- a/net/wireless/wext-compat.h
+++ b/net/wireless/wext-compat.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 #ifndef __WEXT_COMPAT
 #define __WEXT_COMPAT
 
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 410233c5681e..7ce1eda4b1f5 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * xfrm_policy.c
  *
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index c5d81316330b..50621d982970 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * xfrm_state.c
  *