cmd/geth, core/rawdb: add missing error checks (#19871)

* Added missing error checks

Add error handling where we assign err a value, but don't check for it being nil.

* core/rawdb: tiny style nit

1 files changed, 3 insertions, 0 deletions

diff --git a/cmd/geth/retesteth.go b/cmd/geth/retesteth.go
index 0615f446f..8453f753f 100644
--- a/cmd/geth/retesteth.go
+++ b/cmd/geth/retesteth.go
@@ -533,6 +533,9 @@ func (api *RetestethAPI) mineBlock() error {
 		}
 	}
 	block, err := api.engine.FinalizeAndAssemble(api.blockchain, header, statedb, txs, []*types.Header{}, receipts)
+	if err != nil {
+		return err
+	}
 	return api.importBlock(block)
 }