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-rw-r--r--net/ipv4/Kconfig1
-rw-r--r--net/ipv4/bpfilter/Makefile1
-rw-r--r--net/ipv4/netfilter/Kconfig1
3 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 8108e97d4285..974de4d20f25 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# IP configuration
#
diff --git a/net/ipv4/bpfilter/Makefile b/net/ipv4/bpfilter/Makefile
index e9e42f99725e..00af5305e05a 100644
--- a/net/ipv4/bpfilter/Makefile
+++ b/net/ipv4/bpfilter/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_BPFILTER) += sockopt.o
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 1412b029f37f..3e6494269501 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# IP netfilter configuration
#