Check for null index in FindFork

2018-01-07 18:06:14 +07:00
parent b91547118a
commit df473cc277
1 changed files with 2 additions and 0 deletions
--- a/src/chain.cpp
+++ b/src/chain.cpp
@@ -51,6 +51,8 @@ CBlockLocator CChain::GetLocator(const CBlockIndex *pindex) const {
 }

 const CBlockIndex *CChain::FindFork(const CBlockIndex *pindex) const {
+    if ( pindex == 0 )
+        return(0);
    if (pindex->nHeight > Height())
        pindex = pindex->GetAncestor(Height());
    while (pindex && !Contains(pindex))