]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
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 08:22:00 +0000 (09:22 +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 4f98cea91f7543b60064fa31bb744809364b8539..7abc670a996f9333a76df5703e8817b3e3d25e52 100644 (file)
@@ -1742,25 +1742,15 @@ 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 6dc1b1bd806984aa7d937052058151e54fc0faee..27fbd437f412b8fabb544ac2bd1acb1d44826f32 100644 (file)
@@ -1257,7 +1257,8 @@ 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));