scsi: qla2xxx: Fix re-using LoopID when handle is in use
authorQuinn Tran <quinn.tran@cavium.com>
Thu, 27 Sep 2018 05:05:14 +0000 (22:05 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 21 Nov 2018 08:24:05 +0000 (09:24 +0100)
commit 5c6400536481d9ef44ef94e7bf2c7b8e81534db7 upstream.

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: a084fd68e1d2 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/scsi/qla2xxx/qla_init.c
drivers/scsi/qla2xxx/qla_target.c

index 5c7d2628232d7ecbc781a149ff7a540572739465..041497c8ecd8f37bb5cdcbcf4298d31f899b2d9e 100644 (file)
@@ -1511,25 +1511,15 @@ 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),
index d6fe08de59a0569321b3b28d90c1c949e5b7928a..87e04c4a498217ce05a3653cfb0295d63b1fce49 100644 (file)
@@ -1203,7 +1203,8 @@ 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);
        queue_work(sess->vha->hw->wq, &sess->del_work);