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authorQuinn Tran2019-07-26 09:07:32 -0700
committerMartin K. Petersen2019-08-07 18:07:11 -0400
commit8b5292bcfcacf15182a77a973a98d310e76fd58b (patch)
treee618ea29c7fa1569b274cd3bf9805844cc36e42d /drivers/scsi/qla2xxx/qla_init.c
parent7f4374e67b3046c9628cf0ab93a117704a38e95d (diff)
scsi: qla2xxx: Fix Relogin to prevent modifying scan_state flag
Relogin fails to move forward due to scan_state flag indicating device is not there. Before relogin process, Session delete process accidently modified the scan_state flag. [mkp: typos plus corrected Fixes: sha as reported by sfr] Fixes: 2dee5521028c ("scsi: qla2xxx: Fix login state machine freeze") Cc: stable@vger.kernel.org Signed-off-by: Quinn Tran <qutran@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 68d7496a8aff..02bbc5bdaa43 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -303,8 +303,13 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
struct srb_iocb *lio;
int rval = QLA_FUNCTION_FAILED;
- if (!vha->flags.online)
- goto done;
+ if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
+ fcport->loop_id == FC_NO_LOOP_ID) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "%s: %8phC - not sending command.\n",
+ __func__, fcport->port_name);
+ return rval;
+ }
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
if (!sp)
@@ -1276,8 +1281,13 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
struct port_database_24xx *pd;
struct qla_hw_data *ha = vha->hw;
- if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+ if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
+ fcport->loop_id == FC_NO_LOOP_ID) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "%s: %8phC - not sending command.\n",
+ __func__, fcport->port_name);
return rval;
+ }
fcport->disc_state = DSC_GPDB;
@@ -1967,8 +1977,11 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
return;
}
- if (fcport->disc_state == DSC_DELETE_PEND)
+ if ((fcport->disc_state == DSC_DELETE_PEND) ||
+ (fcport->disc_state == DSC_DELETED)) {
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
return;
+ }
if (ea->sp->gen2 != fcport->login_gen) {
/* target side must have changed it. */
@@ -6712,8 +6725,10 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
}
/* Clear all async request states across all VPs. */
- list_for_each_entry(fcport, &vha->vp_fcports, list)
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
+ fcport->scan_state = 0;
+ }
spin_lock_irqsave(&ha->vport_slock, flags);
list_for_each_entry(vp, &ha->vp_list, list) {
atomic_inc(&vp->vref_count);