usbwallet: check returned error when decoding hexstr (#18056)

* usbwallet: check returned error when decoding hexstr * Update accounts/usbwallet/ledger.go Co-Authored-By: CoreyLin <514971757@qq.com> * usbwallet: check hex decode error
ethereum · Dec 13, 2018 · b3be9b7 · b3be9b7
1 parent 4e6f53a
commit b3be9b7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/accounts/usbwallet/ledger.go b/accounts/usbwallet/ledger.go
@@ -257,7 +257,9 @@ func (w *ledgerDriver) ledgerDerive(derivationPath []uint32) (common.Address, er
 
 	// Decode the hex sting into an Ethereum address and return
 	var address common.Address
-	hex.Decode(address[:], hexstr)
+	if _, err = hex.Decode(address[:], hexstr); err != nil {
+		return common.Address{}, err
+	}
 	return address, nil
 }