From 462b5721721122c94bc7a3c43ae7f37c41ee625d Mon Sep 17 00:00:00 2001
From: Sander Swart <sanswart@gmail.com>
Date: Tue, 23 Nov 2021 15:25:12 +0100
Subject: [PATCH] Fixed mavlink_ftp read

Instead of always reading the max data length, it now properly respects the requested amount of bytes (as per documentation)
---
 src/modules/mavlink/mavlink_ftp.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/mavlink/mavlink_ftp.cpp b/src/modules/mavlink/mavlink_ftp.cpp
index 32eaf9624d..fe4e5e8f40 100644
--- a/src/modules/mavlink/mavlink_ftp.cpp
+++ b/src/modules/mavlink/mavlink_ftp.cpp
@@ -572,7 +572,7 @@ MavlinkFTP::_workRead(PayloadHeader *payload)
 		return kErrFailErrno;
 	}
 
-	int bytes_read = ::read(_session_info.fd, &payload->data[0], kMaxDataLength);
+	int bytes_read = ::read(_session_info.fd, &payload->data[0], payload->size);
 
 	if (bytes_read < 0) {
 		// Negative return indicates error other than eof