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Check retx.sn exists in tx_window in required buffer size

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This commit is contained in:
Ismael Gomez 2017-11-10 09:09:46 +01:00
parent bf32d45b6f
commit e983987563
1 changed files with 7 additions and 1 deletions
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8
lib/src/upper/rlc_am.cc
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@ -1148,7 +1148,13 @@ bool rlc_am::add_segment_and_check(rlc_amd_rx_pdu_segments_t *pdu, rlc_amd_rx_pd
int rlc_am::required_buffer_size(rlc_amd_retx_t retx)
{
if(!retx.is_segment){
return rlc_am_packed_length(&tx_window[retx.sn].header) + tx_window[retx.sn].buf->N_bytes;
if (tx_window.count(retx.sn)) {
return rlc_am_packed_length(&tx_window[retx.sn].header) + tx_window[retx.sn].buf->N_bytes;
} else {
log->console("retx.sn=%d does not exist\n");
log->warning("retx.sn=%d does not exist in required_buffer_size()\n");
return -1;
}
}
// Construct new header