https://issues.apache.org/bugzilla/show_bug.cgi?id=48357

--- server/protocol.c	Tue Jan 24 12:02:19 2012

+++ server/protocol.c	Mon Oct  1 04:53:41 2012

@@ -869,7 +869,7 @@

     request_rec *r;

     apr_pool_t *p;

     const char *expect;

-    int access_status;

+    int access_status = HTTP_OK;

     apr_bucket_brigade *tmp_bb;

     apr_socket_t *csd;

     apr_interval_time_t cur_timeout;

@@ -1021,7 +1021,7 @@

          * HTTP/1.1 mentions twice (S9, S14.23) that a request MUST contain

          * a Host: header, and the server MUST respond with 400 if it doesn't.

          */

-        r->status = HTTP_BAD_REQUEST;

+        access_status = HTTP_BAD_REQUEST;

         ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,

                       "client sent HTTP/1.1 request without hostname "

                       "(see RFC2616 section 14.23): %s", r->uri);

@@ -1037,14 +1037,8 @@

     ap_add_input_filter_handle(ap_http_input_filter_handle,

                                NULL, r, r->connection);

-    if (r->status != HTTP_OK) {

-        ap_send_error_response(r, 0);

-        ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);

-        ap_run_log_transaction(r);

-        return r;

-    }

-

-    if ((access_status = ap_run_post_read_request(r))) {

+    if (access_status != HTTP_OK

+        || (access_status = ap_run_post_read_request(r))) {

         ap_die(access_status, r);

         ap_update_child_status(conn->sbh, SERVER_BUSY_LOG, r);

         ap_run_log_transaction(r);