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scsi: qla2xxx: Fix path recovery 

If the port is moved/changed, current code would trigger
a deletion. If the port is already deleted, then do relogin.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2017-06-02 09:11:56 -07:00 committed by Martin K. Petersen
parent 383a298b20
commit 66ee0fece9
1 changed files with 16 additions and 5 deletions
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19
drivers/scsi/qla2xxx/qla_gs.c
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@ -3118,16 +3118,27 @@ void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea)
if (fcport) {
/* cable moved. just plugged in */
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %d %8phC post del sess\n",
__func__, __LINE__, fcport->port_name);
fcport->rscn_gen++;
fcport->d_id = ea->id;
fcport->scan_state = QLA_FCPORT_FOUND;
fcport->flags |= FCF_FABRIC_DEVICE;
switch (fcport->disc_state) {
case DSC_DELETED:
ql_dbg(ql_dbg_disc, vha, 0x210d,
"%s %d %8phC login\n", __func__, __LINE__,
fcport->port_name);
qla24xx_fcport_handle_login(vha, fcport);
break;
case DSC_DELETE_PEND:
break;
default:
ql_dbg(ql_dbg_disc, vha, 0x2064,
"%s %d %8phC post del sess\n",
__func__, __LINE__, fcport->port_name);
qlt_schedule_sess_for_deletion_lock(fcport);
break;
}
} else {
/* create new fcport */
ql_dbg(ql_dbg_disc, vha, 0xffff,