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[SCSI] scsi_error: disable eh_deadline if no host_reset_handler is set

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When the host template doesn't declare an eh_host_reset_handler
the eh_deadline mechanism is pointless and will set the
device to offline. So disable eh_deadline if no
eh_host_reset_handler is present.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Hannes Reinecke
2014-01-17 16:05:38 +01:00
committed by James Bottomley
parent f2495e228f
commit ad469a5764
2 changed files with 4 additions and 2 deletions
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2
drivers/scsi/hosts.c
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@@ -398,7 +398,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
shost->ordered_tag = sht->ordered_tag;
shost->no_write_same = sht->no_write_same;
if (shost_eh_deadline == -1)
if (shost_eh_deadline == -1 || !sht->eh_host_reset_handler)
shost->eh_deadline = -1;
else if ((ulong) shost_eh_deadline * HZ > INT_MAX) {
shost_printk(KERN_WARNING, shost,