From cdbe9c4cd49b9cfb71aaea4031e9642155d5a9b9 Mon Sep 17 00:00:00 2001 From: Himanshu Madhani Date: Thu, 1 Aug 2019 15:54:40 -0400 Subject: [PATCH 020/124] [scsi] scsi: qla2xxx: Prevent multiple ADISC commands per session Message-id: <20190801155618.12650-21-hmadhani@redhat.com> Patchwork-id: 267793 O-Subject: [RHEL 7.8 e-stor PATCH 020/118] scsi: qla2xxx: Prevent multiple ADISC commands per session Bugzilla: 1729270 RH-Acked-by: Jarod Wilson RH-Acked-by: Tony Camuso From: Quinn Tran Bugzilla 1729270 Add check to allow 1 discovery command per session to be sent. Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani Signed-off-by: Martin K. Petersen (cherry picked from commit 192c4e9b9322ae445fa12914941e2278c7d4829f) Signed-off-by: Himanshu Madhani Signed-off-by: Jan Stancek --- drivers/scsi/qla2xxx/qla_init.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 3a79abe8e658..63b035882651 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -473,9 +473,11 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, { srb_t *sp; struct srb_iocb *lio; - int rval; + int rval = QLA_FUNCTION_FAILED; + + if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) + return rval; - rval = QLA_FUNCTION_FAILED; fcport->flags |= FCF_ASYNC_SENT; sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) -- 2.13.6