diff options
| author |   Arun Easi <aeasi@marvell.com> | 2020-08-06 04:10:10 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2020-08-17 22:40:14 -0400 |
| commit | 897d68eb816bfae5ad9e870f68350dbb599d6e0e (patch) | |
| tree | 36cf20c94d21ccfb328e0bb614e67c9585cc122f /drivers/scsi | |
| parent | scsi: qla2xxx: Allow ql2xextended_error_logging special value 1 to be set anytime (diff) | |
| download | wireguard-linux-897d68eb816bfae5ad9e870f68350dbb599d6e0e.tar.xz wireguard-linux-897d68eb816bfae5ad9e870f68350dbb599d6e0e.zip | |
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>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nvme.c | 10 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 8c92af5e4390..1bc090d8a71b 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -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; diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index fa695a4007f8..2722ffc1788f 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -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), |