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[dtls] return error on multiple calls to Dtls::Open() (#3709)

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Jonathan Hui
2019-03-25 08:36:19 -07:00
committed by GitHub
parent a9e0fe9ec6
commit 1fefe2e683
1 changed files with 2 additions and 0 deletions
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src/core/meshcop/dtls.cpp
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@@ -161,6 +161,8 @@ otError Dtls::Open(ReceiveHandler aReceiveHandler, ConnectedHandler aConnectedHa
{ {
otError error; otError error;
VerifyOrExit(mState == kStateClosed, error = OT_ERROR_ALREADY);
SuccessOrExit(error = mSocket.Open(&Dtls::HandleUdpReceive, this)); SuccessOrExit(error = mSocket.Open(&Dtls::HandleUdpReceive, this));
mReceiveHandler = aReceiveHandler; mReceiveHandler = aReceiveHandler;