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scsi: qla2xxx: Fix login state machine stuck at GPDB

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commit 414d9ff3f8039f85d23f619dcbbd1ba2628a1a67 upstream.

This patch returns discovery state machine back to Login Complete.

Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Quinn Tran 2017-12-04 14:45:03 -08:00 committed by Greg Kroah-Hartman
parent 585f4ebd9e
commit 4274e4a3be
1 changed files with 10 additions and 1 deletions
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11
drivers/scsi/qla2xxx/qla_init.c
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@ -864,6 +864,7 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
int rval = ea->rc;
fc_port_t *fcport = ea->fcport;
unsigned long flags;
u16 opt = ea->sp->u.iocb_cmd.u.mbx.out_mb[10];
fcport->flags &= ~FCF_ASYNC_SENT;
@ -894,7 +895,8 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
}
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
ea->fcport->login_gen++;
if (opt != PDO_FORCE_ADISC)
ea->fcport->login_gen++;
ea->fcport->deleted = 0;
ea->fcport->logout_on_delete = 1;
@ -918,6 +920,13 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
qla24xx_post_gpsc_work(vha, fcport);
}
} else if (ea->fcport->login_succ) {
/*
* We have an existing session. A late RSCN delivery
* must have triggered the session to be re-validate.
* session is still valid.
*/
fcport->disc_state = DSC_LOGIN_COMPLETE;
}
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
} /* gpdb event */