diff options
Diffstat (limited to 'drivers/scsi/atari_scsi.c')
| -rw-r--r-- | drivers/scsi/atari_scsi.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index a503dc50c4f8..e809493d0d06 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -757,15 +757,17 @@ static int __init atari_scsi_probe(struct platform_device *pdev) if (setup_hostid >= 0) { atari_scsi_template.this_id = setup_hostid & 7; - } else { + } else if (IS_REACHABLE(CONFIG_NVRAM)) { /* Test if a host id is set in the NVRam */ - if (ATARIHW_PRESENT(TT_CLK) && nvram_check_checksum()) { - unsigned char b = nvram_read_byte(16); + if (ATARIHW_PRESENT(TT_CLK)) { + unsigned char b; + loff_t offset = 16; + ssize_t count = nvram_read(&b, 1, &offset); /* Arbitration enabled? (for TOS) * If yes, use configured host ID */ - if (b & 0x80) + if ((count == 1) && (b & 0x80)) atari_scsi_template.this_id = b & 7; } } |