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-rw-r--r--net/ipv4/ah4.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 035ad2c9e1ba..aed537fa2c88 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -6,6 +6,7 @@
#include <linux/crypto.h>
#include <linux/pfkeyv2.h>
#include <net/icmp.h>
+#include <net/protocol.h>
#include <asm/scatterlist.h>