From e244581b1807bda9d570d9410974d46ca0c73c50 Mon Sep 17 00:00:00 2001
From: Corvus Corax <corvuscorax@cybertrench.com>
Date: Wed, 19 Oct 2011 13:37:35 +0200
Subject: [PATCH] PiOS.posix: bugfix in pios_udp com driver - data send loop

---
 flight/PiOS.posix/posix/pios_udp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flight/PiOS.posix/posix/pios_udp.c b/flight/PiOS.posix/posix/pios_udp.c
index f7f91f620..5ccbae767 100644
--- a/flight/PiOS.posix/posix/pios_udp.c
+++ b/flight/PiOS.posix/posix/pios_udp.c
@@ -194,7 +194,7 @@ static void PIOS_UDP_TxStart(uint32_t udp_id, uint16_t tx_bytes_avail)
 			length = (udp_dev->tx_out_cb)(udp_dev->tx_out_context, udp_dev->tx_buffer, PIOS_UDP_RX_BUFFER_SIZE, NULL, &tx_need_yield);
 			rem = length;
 			while (rem>0) {
-				len = sendto(udp_dev->socket, udp_dev->tx_buffer, length, 0,
+				len = sendto(udp_dev->socket, udp_dev->tx_buffer+length-rem, rem, 0,
 						 (struct sockaddr *) &udp_dev->client,
 						 sizeof(udp_dev->client));
 				if (len<=0) {