commit
118b0c863c8f5629cc5271fc24d72d926e0715d9 upstream.
FC target disappeared during port perturbation tests due to a race that
tramples target state. Fix the issue by adding state checks before
proceeding.
Link: https://lore.kernel.org/r/20220616053508.27186-8-njavali@marvell.com
Fixes:
44c57f205876 ("scsi: qla2xxx: Changes to support FCP2 Target")
Cc: stable@vger.kernel.org
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- /* Now that the rport has been deleted, set the fcport state to
- FCS_DEVICE_DEAD */
- qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
+
+ /*
+ * Now that the rport has been deleted, set the fcport state to
+ * FCS_DEVICE_DEAD, if the fcport is still lost.
+ */
+ if (fcport->scan_state != QLA_FCPORT_FOUND)
+ qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
/*
* Transport has effectively 'deleted' the rport, clear
* all local references.
*/
spin_lock_irqsave(host->host_lock, flags);
/*
* Transport has effectively 'deleted' the rport, clear
* all local references.
*/
spin_lock_irqsave(host->host_lock, flags);
- fcport->rport = fcport->drport = NULL;
- *((fc_port_t **)rport->dd_data) = NULL;
+ /* Confirm port has not reappeared before clearing pointers. */
+ if (rport->port_state != FC_PORTSTATE_ONLINE) {
+ fcport->rport = fcport->drport = NULL;
+ *((fc_port_t **)rport->dd_data) = NULL;
+ }
spin_unlock_irqrestore(host->host_lock, flags);
if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
spin_unlock_irqrestore(host->host_lock, flags);
if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
/*
* At this point all fcport's software-states are cleared. Perform any
* final cleanup of firmware resources (PCBs and XCBs).
/*
* At this point all fcport's software-states are cleared. Perform any
* final cleanup of firmware resources (PCBs and XCBs).
+ *
+ * Attempt to cleanup only lost devices.
*/
if (fcport->loop_id != FC_NO_LOOP_ID) {
*/
if (fcport->loop_id != FC_NO_LOOP_ID) {
- if (IS_FWI2_CAPABLE(fcport->vha->hw)) {
+ if (IS_FWI2_CAPABLE(fcport->vha->hw) &&
+ fcport->scan_state != QLA_FCPORT_FOUND) {
if (fcport->loop_id != FC_NO_LOOP_ID)
fcport->logout_on_delete = 1;
if (fcport->loop_id != FC_NO_LOOP_ID)
fcport->logout_on_delete = 1;
__LINE__);
qlt_schedule_sess_for_deletion(fcport);
}
__LINE__);
qlt_schedule_sess_for_deletion(fcport);
}
+ } else if (!IS_FWI2_CAPABLE(fcport->vha->hw)) {
qla2x00_port_logout(fcport->vha, fcport);
}
}
qla2x00_port_logout(fcport->vha, fcport);
}
}