tcp: md5: remove tcp_md5_hash_header()

After commit 19689e38eca5 ("tcp: md5: use kmalloc() backed scratch
areas") this function is no longer used.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 032a96d..f1a9a0a 100644 (file)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3092,23 +3092,6 @@ struct tcp_md5sig_pool *tcp_get_md5sig_pool(void)
 }
 EXPORT_SYMBOL(tcp_get_md5sig_pool);
 
-int tcp_md5_hash_header(struct tcp_md5sig_pool *hp,
-                       const struct tcphdr *th)
-{
-       struct scatterlist sg;
-       struct tcphdr hdr;
-
-       /* We are not allowed to change tcphdr, make a local copy */
-       memcpy(&hdr, th, sizeof(hdr));
-       hdr.check = 0;
-
-       /* options aren't included in the hash */
-       sg_init_one(&sg, &hdr, sizeof(hdr));
-       ahash_request_set_crypt(hp->md5_req, &sg, NULL, sizeof(hdr));
-       return crypto_ahash_update(hp->md5_req);
-}
-EXPORT_SYMBOL(tcp_md5_hash_header);
-
 int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp,
                          const struct sk_buff *skb, unsigned int header_len)
 {