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mavlink_ftp: do not store reply on kErrNoSessionsAvailable

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This would interfere with an existing ongoing session
This commit is contained in:
Beat Küng
2024-04-05 10:14:32 +02:00
parent f002b08e6a
commit e17faece3d
1 changed files with 2 additions and 2 deletions
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src/modules/mavlink/mavlink_ftp.cpp
+2 -2
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@@ -326,7 +326,7 @@ MavlinkFTP::_reply(mavlink_file_transfer_protocol_t *ftp_req)
// we can simply resend the response.
// we only keep small responses to reduce RAM usage and avoid large memcpy's. The larger responses are all data
// retrievals without side-effects, meaning it's ok to reexecute them if a response gets lost
if (payload->size <= sizeof(uint32_t)) {
if (payload->size <= sizeof(uint32_t) && payload->data[0] != kErrNoSessionsAvailable) {
_last_reply_valid = true;
memcpy(_last_reply, ftp_req, sizeof(_last_reply));
}
@@ -514,7 +514,7 @@ MavlinkFTP::ErrorCode
MavlinkFTP::_workOpen(PayloadHeader *payload, int oflag)
{
if (_session_info.fd >= 0) {
PX4_ERR("FTP: Open failed - out of sessions\n");
PX4_ERR("FTP: Open failed - out of sessions");
return kErrNoSessionsAvailable;
}