libata EH saves xfer_mode and ncq_enabled at start to later set
DUBIOUS_XFER flag if it has changed. These values need to be cleared
on device detach such that hot device swap doesn't accidentally miss
DUBIOUS_XFER.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
drivers/ata/libata-eh.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
Index: work/drivers/ata/libata-eh.c
===================================================================
--- work.orig/drivers/ata/libata-eh.c
+++ work/drivers/ata/libata-eh.c
@@ -1161,6 +1161,7 @@ void ata_eh_detach_dev(struct ata_device
{
struct ata_link *link = dev->link;
struct ata_port *ap = link->ap;
+ struct ata_eh_context *ehc = &link->eh_context;
unsigned long flags;
ata_dev_disable(dev);
@@ -1174,9 +1175,11 @@ void ata_eh_detach_dev(struct ata_device
ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG;
}
- /* clear per-dev EH actions */
+ /* clear per-dev EH info */
ata_eh_clear_action(link, dev, &link->eh_info, ATA_EH_PERDEV_MASK);
ata_eh_clear_action(link, dev, &link->eh_context.i, ATA_EH_PERDEV_MASK);
+ ehc->saved_xfer_mode[dev->devno] = 0;
+ ehc->saved_ncq_enabled &= ~(1 << dev->devno);
spin_unlock_irqrestore(ap->lock, flags);
}
--
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