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Ensure cs_vNodes is held when using the return value from FindNode

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This commit is contained in:
Matt Corallo 2017-01-24 16:50:27 -05:00
parent 5be01906e5
commit 3c37dc40d3
1 changed files with 4 additions and 5 deletions
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5
src/net.cpp
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@ -369,16 +369,14 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
// In that case, drop the connection that was just created, and return the existing CNode instead.
// Also store the name we used to connect in that CNode, so that future FindNode() calls to that
// name catch this early.
LOCK(cs_vNodes);
CNode* pnode = FindNode((CService)addrConnect);
if (pnode)
{
pnode->AddRef();
{
LOCK(cs_vNodes);
if (pnode->addrName.empty()) {
pnode->addrName = std::string(pszDest);
}
}
CloseSocket(hSocket);
return pnode;
}
@ -2373,6 +2371,7 @@ void CConnman::GetNodeStats(std::vector<CNodeStats>& vstats)
bool CConnman::DisconnectNode(const std::string& strNode)
{
LOCK(cs_vNodes);
if (CNode* pnode = FindNode(strNode)) {
pnode->fDisconnect = true;
return true;