diff options
Diffstat (limited to 'drivers/scsi/hosts.c')
| -rw-r--r-- | drivers/scsi/hosts.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index c3ab093dd8a..f28ea070d3d 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -319,11 +319,11 @@ static void scsi_host_dev_release(struct device *dev) kfree(shost); } -static unsigned int shost_eh_deadline; +static int shost_eh_deadline = -1; -module_param_named(eh_deadline, shost_eh_deadline, uint, S_IRUGO|S_IWUSR); +module_param_named(eh_deadline, shost_eh_deadline, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(eh_deadline, - "SCSI EH timeout in seconds (should be between 1 and 2^32-1)"); + "SCSI EH timeout in seconds (should be between 0 and 2^31-1)"); static struct device_type scsi_host_type = { .name = "scsi_host", @@ -396,9 +396,18 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) shost->unchecked_isa_dma = sht->unchecked_isa_dma; shost->use_clustering = sht->use_clustering; shost->ordered_tag = sht->ordered_tag; - shost->eh_deadline = shost_eh_deadline * HZ; shost->no_write_same = sht->no_write_same; + if (shost_eh_deadline == -1) + shost->eh_deadline = -1; + else if ((ulong) shost_eh_deadline * HZ > INT_MAX) { + shost_printk(KERN_WARNING, shost, + "eh_deadline %u too large, setting to %u\n", + shost_eh_deadline, INT_MAX / HZ); + shost->eh_deadline = INT_MAX; + } else + shost->eh_deadline = shost_eh_deadline * HZ; + if (sht->supported_mode == MODE_UNKNOWN) /* means we didn't set it ... default to INITIATOR */ shost->active_mode = MODE_INITIATOR; |