From c66d573bccb181c3a1d70746cb40cf8bbefb30ce Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Sun, 23 Aug 2015 11:23:03 +0100
Subject: [PATCH] blockchain: match original code's error return in
 switch_to_alternative_blockchain

---
 src/cryptonote_core/blockchain.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 997a771e6..998d1e4af 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -797,8 +797,8 @@ bool Blockchain::switch_to_alternative_blockchain(std::list<blocks_ext_by_hash::
             if(!r)
             {
                 LOG_PRINT_L1("Failed to push ex-main chain blocks to alternative chain ");
-                // previously this would fail the blockchain switching, but I don't
-                // think this is bad enough to warrant that.
+                rollback_blockchain_switching(disconnected_chain, split_height);
+                return false;
             }
         }
     }