From 10451df5c2f64ac1a74dcfd7e61313f8ffa2d366 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maximilian=20M=C3=BCnchow?=
 <maximilian.muenchow@teamspeak.com>
Date: Fri, 3 Feb 2017 10:59:44 +0100
Subject: [PATCH] added CONFIG_CRYPTO_HASH_INFO check. fixes missing
 hash_algo_name symbol

---
 src/Makefile         | 1 +
 src/ts3init_cookie.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index fadbb49..53b1909 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -4,6 +4,7 @@ KERNEL_DIR := ${MODULES_DIR}/build
 
 obj-m += xt_ts3init.o
 xt_ts3init-objs += ts3init_module.o ts3init_match.o ts3init_cookie.o ts3init_target.o ts3init_cache.o siphash24.o
+ccflags-$(CONFIG_CRYPTO_HASH_INFO) += -DHAS_CRYPTO_HASH_INFO=1
 
 all:
 	$(MAKE) -C ${KERNEL_DIR} M=$$PWD;
diff --git a/src/ts3init_cookie.c b/src/ts3init_cookie.c
index 31b8271..72bf623 100644
--- a/src/ts3init_cookie.c
+++ b/src/ts3init_cookie.c
@@ -26,7 +26,7 @@
 #include "ts3init_random_seed.h"
 #include "ts3init_cookie.h"
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
+#ifndef HAS_CRYPTO_HASH_INFO
 #define TS3_SHA_512_NAME "sha512"
 #else
 #include <crypto/hash_info.h>