From 83308c6ee15b29b36566c3c2615fa055bc1a598e Mon Sep 17 00:00:00 2001
From: Mike Hearn <hearn@google.com>
Date: Wed, 6 Mar 2013 15:52:39 +0100
Subject: [PATCH] Clear another FindBugs warning in SPVBlockStore. The analysis
 doesn't seem to be good enough to detect that some of these cases are safe.

---
 .../main/java/com/google/bitcoin/store/SPVBlockStore.java  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/com/google/bitcoin/store/SPVBlockStore.java b/core/src/main/java/com/google/bitcoin/store/SPVBlockStore.java
index e314d7ae..376c8200 100644
--- a/core/src/main/java/com/google/bitcoin/store/SPVBlockStore.java
+++ b/core/src/main/java/com/google/bitcoin/store/SPVBlockStore.java
@@ -145,8 +145,11 @@ public class SPVBlockStore implements BlockStore {
         buffer.put(header);
         // Insert the genesis block.
         lock.lock();
-        setRingCursor(buffer, FILE_PROLOGUE_BYTES);
-        lock.unlock();
+        try {
+            setRingCursor(buffer, FILE_PROLOGUE_BYTES);
+        } finally {
+            lock.unlock();
+        }
         Block genesis = params.genesisBlock.cloneAsHeader();
         StoredBlock storedGenesis = new StoredBlock(genesis, genesis.getWork(), 0);
         put(storedGenesis);