ptr32 = (__le32 *)&serial_num;
offset = NX_FW_SERIAL_NUM_OFFSET;
for (i = 0; i < 8; i++) {
- if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
+ err = netxen_rom_fast_read(adapter, offset, &val);
+ if (err) {
dev_err(&pdev->dev, "error reading board info\n");
adapter->driver_mismatch = 1;
return;