wait all goroutine done to avoid prefetcher close panic

Signed-off-by: Keefe-Liu <[email protected]>
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