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[ip6] enqueue reassembly buffer immediately (#6177)

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So that `mReassemblyList.Dequeue()` is always valid on any error.
This commit is contained in:
Jonathan Hui
2021-02-17 11:31:38 -08:00
committed by GitHub
parent 3bb025a792
commit 5038782353
1 changed files with 2 additions and 4 deletions
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src/core/net/ip6.cpp
+2 -4
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@@ -726,7 +726,9 @@ otError Ip6::HandleFragment(Message &aMessage, Netif *aNetif, MessageInfo &aMess
if (message == nullptr)
{
otLogDebgIp6("start reassembly");
VerifyOrExit((message = NewMessage(0)) != nullptr, error = OT_ERROR_NO_BUFS);
mReassemblyList.Enqueue(*message);
SuccessOrExit(error = message->SetLength(aMessage.GetOffset()));
message->SetTimeout(kIp6ReassemblyTimeout);
@@ -738,10 +740,6 @@ otError Ip6::HandleFragment(Message &aMessage, Netif *aNetif, MessageInfo &aMess
OT_ASSERT(assertValue == aMessage.GetOffset());
Get<TimeTicker>().RegisterReceiver(TimeTicker::kIp6FragmentReassembler);
mReassemblyList.Enqueue(*message);
otLogDebgIp6("start reassembly.");
}
// increase message buffer if necessary