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mavlink_ftp: fix to correctly trim reply messages

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Clear any not used payload data to correctly trim mavlink ftp message reply to avoid sending long ACK and NACK messages.
This commit is contained in:
Oleg
2022-08-12 08:53:33 +02:00
committed by Beat Küng
parent cd971948da
commit 6ea3c6a7d2
1 changed files with 3 additions and 0 deletions
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src/modules/mavlink/mavlink_ftp.cpp
+3
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@@ -331,6 +331,9 @@ MavlinkFTP::_reply(mavlink_file_transfer_protocol_t *ftp_req)
memcpy(_last_reply, ftp_req, sizeof(_last_reply));
}
// clear any not used payload data to correctly trim mavlink ftp message reply
memset(&payload->data[payload->size], 0, kMaxDataLength - payload->size);
PX4_DEBUG("FTP: %s seq_number: %" PRIu16, payload->opcode == kRspAck ? "Ack" : "Nak", payload->seq_number);
#ifdef MAVLINK_FTP_UNIT_TEST