From 7843fe0a1ba495d8e108115be0f1bab4cf86beb9 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 23 Apr 2021 23:47:45 +0200
Subject: [PATCH] krb5: remove the unused 'overhead' function

Closes #6947
---
 lib/curl_krb5.h |  1 -
 lib/krb5.c      | 14 +-------------
 2 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/lib/curl_krb5.h b/lib/curl_krb5.h
index 3f40f9a6c..ca0684074 100644
--- a/lib/curl_krb5.h
+++ b/lib/curl_krb5.h
@@ -29,7 +29,6 @@ struct Curl_sec_client_mech {
   int (*auth)(void *, struct Curl_easy *data, struct connectdata *);
   void (*end)(void *);
   int (*check_prot)(void *, int);
-  int (*overhead)(void *, int, int);
   int (*encode)(void *, const void *, int, int, void **);
   int (*decode)(void *, void *, int, int, struct connectdata *);
 };
diff --git a/lib/krb5.c b/lib/krb5.c
index 15dbd1f0a..4a9d40e9f 100644
--- a/lib/krb5.c
+++ b/lib/krb5.c
@@ -159,16 +159,6 @@ krb5_decode(void *app_data, void *buf, int len,
   return len;
 }
 
-static int
-krb5_overhead(void *app_data, int level, int len)
-{
-  /* no arguments are used */
-  (void)app_data;
-  (void)level;
-  (void)len;
-  return 0;
-}
-
 static int
 krb5_encode(void *app_data, const void *from, int length, int level, void **to)
 {
@@ -392,7 +382,7 @@ static struct Curl_sec_client_mech Curl_krb5_client_mech = {
   krb5_auth,
   krb5_end,
   krb5_check_prot,
-  krb5_overhead,
+
   krb5_encode,
   krb5_decode
 };
@@ -657,8 +647,6 @@ static ssize_t sec_write(struct Curl_easy *data, struct connectdata *conn,
 {
   ssize_t tx = 0, len = conn->buffer_size;
 
-  len -= conn->mech->overhead(conn->app_data, conn->data_prot,
-                              curlx_sztosi(len));
   if(len <= 0)
     len = length;
   while(length) {