From: Hannes Reinecke Date: Fri, 17 Jan 2014 15:05:38 +0000 (+0100) Subject: [SCSI] scsi_error: disable eh_deadline if no host_reset_handler is set X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ad469a57643b322dc7a3bfc482e265e1e88f735a;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [SCSI] scsi_error: disable eh_deadline if no host_reset_handler is set 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 Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index f28ea070d3df..3cbb57a8b846 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -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, diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 665acbf83693..8dab6ddf8222 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -300,7 +300,9 @@ store_shost_eh_deadline(struct device *dev, struct device_attribute *attr, int ret = -EINVAL; unsigned long deadline, flags; - if (shost->transportt && shost->transportt->eh_strategy_handler) + if (shost->transportt && + (shost->transportt->eh_strategy_handler || + !shost->hostt->eh_host_reset_handler)) return ret; if (!strncmp(buf, "off", strlen("off")))