Index: modules/proxy/mod_proxy_http.c
===================================================================
--- modules/proxy/mod_proxy_http.c	(revision 1650299)
+++ modules/proxy/mod_proxy_http.c	(working copy)
@@ -324,7 +324,7 @@ static int stream_reqbody_chunked(apr_pool_t *p,
                           " from %s (%s)", p_conn->addr,
                           p_conn->hostname ? p_conn->hostname: "",
                           c->client_ip, c->remote_host ? c->remote_host: "");
-            return HTTP_BAD_REQUEST;
+            return (status == AP_FILTER_ERROR) ? DONE : HTTP_BAD_REQUEST;
         }
     }
 
@@ -475,7 +475,7 @@ static int stream_reqbody_cl(apr_pool_t *p,
                           " from %s (%s)", p_conn->addr,
                           p_conn->hostname ? p_conn->hostname: "",
                           c->client_ip, c->remote_host ? c->remote_host: "");
-            return HTTP_BAD_REQUEST;
+            return (status == AP_FILTER_ERROR) ? DONE : HTTP_BAD_REQUEST;
         }
     }
 
@@ -624,7 +624,7 @@ static int spool_reqbody_cl(apr_pool_t *p,
                           " from %s (%s)", p_conn->addr,
                           p_conn->hostname ? p_conn->hostname: "",
                           c->client_ip, c->remote_host ? c->remote_host: "");
-            return HTTP_BAD_REQUEST;
+            return (status == AP_FILTER_ERROR) ? DONE : HTTP_BAD_REQUEST;
         }
     }
 
@@ -807,7 +807,7 @@ int ap_proxy_http_request(apr_pool_t *p, request_r
                           " from %s (%s)",
                           p_conn->addr, p_conn->hostname ? p_conn->hostname: "",
                           c->client_ip, c->remote_host ? c->remote_host: "");
-            return HTTP_BAD_REQUEST;
+            return (status == AP_FILTER_ERROR) ? DONE : HTTP_BAD_REQUEST;
         }
 
         apr_brigade_length(temp_brigade, 1, &bytes);