scsi: qla2xxx: Fix WARN_ON in qla_nvme_register_hba

qla_nvme_register_hba() puts out a warning when there are not enough queue
pairs available for FC-NVME.  Just fail the NVME registration rather than a
WARNING + call Trace.

Link: https://lore.kernel.org/r/20200806111014.28434-8-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Arun Easi 2020-08-06 04:10:10 -07:00 committed by Martin K. Petersen
parent 49030003a3
commit 897d68eb81
2 changed files with 10 additions and 1 deletions

View File

@ -3880,6 +3880,7 @@ struct qla_hw_data {
uint32_t scm_supported_f:1;
/* Enabled in Driver */
uint32_t scm_enabled:1;
uint32_t max_req_queue_warned:1;
} flags;
uint16_t max_exchg;

View File

@ -687,7 +687,15 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha)
tmpl = &qla_nvme_fc_transport;
WARN_ON(vha->nvme_local_port);
WARN_ON(ha->max_req_queues < 3);
if (ha->max_req_queues < 3) {
if (!ha->flags.max_req_queue_warned)
ql_log(ql_log_info, vha, 0x2120,
"%s: Disabling FC-NVME due to lack of free queue pairs (%d).\n",
__func__, ha->max_req_queues);
ha->flags.max_req_queue_warned = 1;
return ret;
}
qla_nvme_fc_transport.max_hw_queues =
min((uint8_t)(qla_nvme_fc_transport.max_hw_queues),