diff options
Diffstat (limited to 'src/chain.cpp')
-rw-r--r-- | src/chain.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/chain.cpp b/src/chain.cpp index 719256106e..5b8ce076c4 100644 --- a/src/chain.cpp +++ b/src/chain.cpp @@ -82,9 +82,10 @@ CBlockIndex* CBlockIndex::GetAncestor(int height) while (heightWalk > height) { int heightSkip = GetSkipHeight(heightWalk); int heightSkipPrev = GetSkipHeight(heightWalk - 1); - if (heightSkip == height || - (heightSkip > height && !(heightSkipPrev < heightSkip - 2 && - heightSkipPrev >= height))) { + if (pindexWalk->pskip != NULL && + (heightSkip == height || + (heightSkip > height && !(heightSkipPrev < heightSkip - 2 && + heightSkipPrev >= height)))) { // Only follow pskip if pprev->pskip isn't better than pskip->pprev. pindexWalk = pindexWalk->pskip; heightWalk = heightSkip; |