Do not hold lock unnecessarily when hashing (#24815) (#24831)

(cherry picked from commit a73f998) Co-authored-by: Brooks Prumo <brooks@solana.com>
solana-labs · Apr 29, 2022 · f8b09ff · f8b09ff
1 parent 7e71d87
commit f8b09ff
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
@@ -5798,12 +5798,12 @@ impl Bank {
  self.last_blockhash().as_ref(),
  ]);
 
- if let Some(buf) = self
+ let buf = self
  .hard_forks
  .read()
  .unwrap()
- .get_hash_data(self.slot(), self.parent_slot())
- {
+ .get_hash_data(self.slot(), self.parent_slot());
+ if let Some(buf) = buf {
  info!("hard fork at bank {}", self.slot());
  hash = extend_and_hash(&hash, &buf)
  }