# \[PATCH -next\] net/ipv4/tcp\_fastopen.c: remove superfluous header files from tcp\_fastopen.c

- From: Mianhan Liu \<hidden\>
- Date: 2021-09-20 11:39:55 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/09/1514520
- Thread: https://ratatoskr.run/netdev/2021/09/1514520/t.md

```text
tcp_fastopen.c hasn't use any macro or function declared in crypto.h, err.h,
init.h, list.h, rculist.h and inetpeer.h. Thus, these files can be removed
from tcp_fastopen.c safely without affecting the compilation of the net module.

Signed-off-by: Mianhan Liu <redacted>

---
 net/ipv4/tcp_fastopen.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index 59412d635..fdbcf2a6d 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -1,13 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <linux/crypto.h>
-#include <linux/err.h>
-#include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/list.h>
 #include <linux/tcp.h>
 #include <linux/rcupdate.h>
-#include <linux/rculist.h>
-#include <net/inetpeer.h>
 #include <net/tcp.h>
 
 void tcp_fastopen_init_key_once(struct net *net)
-- 
2.25.1


```