wait all goroutine done to avoid prefetcher close panic

Signed-off-by: Keefe-Liu <bianze.kernel@gmail.com>
bnb-chain · Oct 28, 2021 · e022b2c · e022b2c
1 parent 9348419
commit e022b2c
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/core/block_validator.go b/core/block_validator.go
@@ -144,13 +144,15 @@ func (v *BlockValidator) ValidateState(block *types.Block, statedb *state.StateD
  validateRes <- tmpFunc()
  }()
  }
+
+ var err error = nil
  for i := 0; i < len(validateFuns); i++ {
  r := <-validateRes
- if r != nil {
- return r
+ if r != nil && err == nil {
+ err = r
  }
  }
- return nil
+ return err
 }
 
 // CalcGasLimit computes the gas limit of the next block after parent. It aims