treewide: Add SPDX license identifier for more missed files

[linux-block.git] / net / ipv4 / ah4.c

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index c01fa791260d2594913d2a88c5b3824bceab975b..9c3afd550612a8322649357749ca9cd474a31ac2 100644 (file)
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #define pr_fmt(fmt) "IPsec: " fmt
 
 #include <crypto/algapi.h>