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scsi: qla2xxx: Fix re-using LoopID when handle is in use 

This patch fixes issue where driver clears NPort ID map instead of marking
handle in use. Once driver clears NPort ID from the database, it can reuse
the same NPort ID resulting in a PLOGI failure.

[mkp: fixed Himanshu's SoB]

Fixes: a084fd68e1 ("scsi: qla2xxx: Fix re-login for Nport Handle in use")
Cc: <stable@vger.kernel.org>
Signed-of-by: Quinn Tran <quinn.tran@cavium.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Himanshu Madhani <hmadhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2018-09-26 22:05:14 -07:00 committed by Martin K. Petersen
parent 732ee9a912
commit 5c64005364
2 changed files with 6 additions and 15 deletions
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18
drivers/scsi/qla2xxx/qla_init.c
View File

@ -2017,25 +2017,15 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
cid.b.rsvd_1 = 0;
ql_dbg(ql_dbg_disc, vha, 0x20ec,
"%s %d %8phC LoopID 0x%x in use post gnl\n",
"%s %d %8phC lid %#x in use with pid %06x post gnl\n",
__func__, __LINE__, ea->fcport->port_name,
ea->fcport->loop_id);
ea->fcport->loop_id, cid.b24);
if (IS_SW_RESV_ADDR(cid)) {
set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
ea->fcport->loop_id = FC_NO_LOOP_ID;
} else {
qla2x00_clear_loop_id(ea->fcport);
}
set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
ea->fcport->loop_id = FC_NO_LOOP_ID;
qla24xx_post_gnl_work(vha, ea->fcport);
break;
case MBS_PORT_ID_USED:
ql_dbg(ql_dbg_disc, vha, 0x20ed,
"%s %d %8phC NPortId %02x%02x%02x inuse post gidpn\n",
__func__, __LINE__, ea->fcport->port_name,
ea->fcport->d_id.b.domain, ea->fcport->d_id.b.area,
ea->fcport->d_id.b.al_pa);
lid = ea->iop[1] & 0xffff;
qlt_find_sess_invalidate_other(vha,
wwn_to_u64(ea->fcport->port_name),

3
drivers/scsi/qla2xxx/qla_target.c
View File

@ -1273,7 +1273,8 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess)
qla24xx_chk_fcp_state(sess);
ql_dbg(ql_dbg_tgt, sess->vha, 0xe001,
"Scheduling sess %p for deletion\n", sess);
"Scheduling sess %p for deletion %8phC\n",
sess, sess->port_name);
INIT_WORK(&sess->del_work, qla24xx_delete_sess_fn);
WARN_ON(!queue_work(sess->vha->hw->wq, &sess->del_work));