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Diffstat (limited to 'drivers/scsi/libsas/sas_discover.c')
-rw-r--r--drivers/scsi/libsas/sas_discover.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index f47b4b281b14..d7302c2052f9 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -81,12 +81,21 @@ static int sas_get_port_device(struct asd_sas_port *port)
else
dev->dev_type = SAS_SATA_DEV;
dev->tproto = SAS_PROTOCOL_SATA;
- } else {
+ } else if (port->oob_mode == SAS_OOB_MODE) {
struct sas_identify_frame *id =
(struct sas_identify_frame *) dev->frame_rcvd;
dev->dev_type = id->dev_type;
dev->iproto = id->initiator_bits;
dev->tproto = id->target_bits;
+ } else {
+ /* If the oob mode is OOB_NOT_CONNECTED, the port is
+ * disconnected due to race with PHY down. We cannot
+ * continue to discover this port
+ */
+ sas_put_device(dev);
+ pr_warn("Port %016llx is disconnected when discovering\n",
+ SAS_ADDR(port->attached_sas_addr));
+ return -ENODEV;
}
sas_init_dev(dev);