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Add null check to deref

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miketout
2018-10-05 21:37:49 -07:00
parent 95c5c69bab
commit a6ac51616c
1 changed files with 1 additions and 1 deletions
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2
src/main.cpp
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@@ -403,7 +403,7 @@ namespace {
if (!state->hashLastUnknownBlock.IsNull()) { if (!state->hashLastUnknownBlock.IsNull()) {
BlockMap::iterator itOld = mapBlockIndex.find(state->hashLastUnknownBlock); BlockMap::iterator itOld = mapBlockIndex.find(state->hashLastUnknownBlock);
if (itOld != mapBlockIndex.end() && itOld->second->chainPower > CChainPower()) if (itOld != mapBlockIndex.end() && itOld->second != 0 && (itOld->second->chainPower > CChainPower()))
{ {
if (state->pindexBestKnownBlock == NULL || itOld->second->chainPower >= state->pindexBestKnownBlock->chainPower) if (state->pindexBestKnownBlock == NULL || itOld->second->chainPower >= state->pindexBestKnownBlock->chainPower)
state->pindexBestKnownBlock = itOld->second; state->pindexBestKnownBlock = itOld->second;