fix possible shutdown assertion with -reindex-shutdown

Credit @eklitzke for reproducing. Github-Pull: #12349 Rebased-From: ceaefdd Tree-SHA512: bdc614d3c3fba23147be9528c581e25bbf1f0c359b525b4a05472ab42484724a8b34c8b3ed151f3ff23e48235e972950f9daa155d9ca3c4a9de6d61bf0591b4b
bitcoin · Feb 15, 2018 · ad10b90 · ad10b90
1 parent 4d54e7a
commit ad10b90
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/validation.cpp b/src/validation.cpp
@@ -2086,7 +2086,7 @@ bool static FlushStateToDisk(const CChainParams& chainparams, CValidationState &
             nLastWrite = nNow;
         }
         // Flush best chain related state. This can only be done if the blocks / block index write was also done.
-        if (fDoFullFlush) {
+        if (fDoFullFlush && !pcoinsTip->GetBestBlock().IsNull()) {
             // Typical Coin structures on disk are around 48 bytes in size.
             // Pushing a new one to the database can cause it to be written
             // twice (once in the log, and once in the tables). This is already