From 62472b5b5843516981345355705015d348679457 Mon Sep 17 00:00:00 2001
From: "Joseph C. Lehner" <joseph.c.lehner@gmail.com>
Date: Sat, 3 Aug 2013 17:36:18 +0200
Subject: [PATCH] Allow empty SET_PARAMETER request

Certain senders (AirAudio for Android for example) periodically
send SET_PARAMETER requests with Content-Length: 0, to which
shairport responds with an error, making those apps misbehave.
---
 rtsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtsp.c b/rtsp.c
index 63fd9648..b88a5716 100644
--- a/rtsp.c
+++ b/rtsp.c
@@ -411,7 +411,7 @@ static void handle_ignore(rtsp_conn_info *conn,
 static void handle_set_parameter(rtsp_conn_info *conn,
                                  rtsp_message *req, rtsp_message *resp) {
     if (!req->contentlength)
-        return;
+        debug(1, "received empty SET_PARAMETER request\n");
 
     char *cp = req->content;
     int cp_left = req->contentlength;