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UDT: Fix bug in NativeCongestionControl.OnNAK that causes a crash when the provided losslist is empty

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Kleissner
2021-10-28 17:16:14 +02:00
parent 9ddca35277
commit 0368752324
1 changed files with 1 additions and 1 deletions
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2
udt/congestion_native.go
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@@ -160,7 +160,7 @@ func (ncc NativeCongestionControl) OnNAK(parms CongestionControlParms, losslist
c. Record the current largest sent sequence number (LastDecSeq).
*/
pktSendPeriod := parms.GetPacketSendPeriod()
if ncc.lastDecSeq.BlindDiff(losslist[0]) > 0 {
if len(losslist) > 0 && ncc.lastDecSeq.BlindDiff(losslist[0]) > 0 {
ncc.lastDecPeriod = pktSendPeriod
parms.SetPacketSendPeriod(pktSendPeriod * 1125 / 1000)