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Diffstat (limited to 'drivers/scsi/libsas')
-rw-r--r--drivers/scsi/libsas/sas_ata.c5
-rw-r--r--drivers/scsi/libsas/sas_discover.c5
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c3
3 files changed, 10 insertions, 3 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 37a9e73870d4..26a943eb153a 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -661,8 +661,13 @@ static void async_sas_ata_eh(void *data, async_cookie_t cookie)
struct ata_port *ap = dev->sata_dev.ap;
struct sas_ha_struct *ha = dev->port->ha;
+ /* hold a reference over eh since we may be racing with final
+ * remove once all commands are completed
+ */
+ kref_get(&dev->kref);
ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata port error handler");
ata_scsi_port_error_handler(ha->core.shost, ap);
+ sas_put_device(dev);
}
void sas_ata_strategy_handler(struct Scsi_Host *shost)
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index b91866a8233b..4be5ddad7be7 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -242,6 +242,11 @@ void sas_free_device(struct kref *kref)
if (dev->dev_type == EDGE_DEV || dev->dev_type == FANOUT_DEV)
kfree(dev->ex_dev.ex_phy);
+ if (dev_is_sata(dev) && dev->sata_dev.ap) {
+ ata_sas_port_destroy(dev->sata_dev.ap);
+ dev->sata_dev.ap = NULL;
+ }
+
kfree(dev);
}
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 731c89250639..b563ff27626b 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -1028,9 +1028,6 @@ void sas_target_destroy(struct scsi_target *starget)
if (!found_dev)
return;
- if (dev_is_sata(found_dev))
- ata_sas_port_destroy(found_dev->sata_dev.ap);
-
starget->hostdata = NULL;
sas_put_device(found_dev);
}