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authorJames Smart <jsmart2021@gmail.com>2021-05-14 12:55:50 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2021-05-21 23:23:27 -0400
commitfa21189db9ab022080e056cc6da219975da48fd6 (patch)
tree9422090a1b9b009358c7bc43dff0c4c114f16a2d /drivers/scsi/lpfc/lpfc_nvme.c
parent01131e7aae5d30e23e3cdd1eebe51bbc5489ae8f (diff)
downloadlinux-fa21189db9ab022080e056cc6da219975da48fd6.tar.bz2
scsi: lpfc: Fix non-optimized ERSP handling
When processing an NVMe ERSP IU which didn't match the optimized CQE-only path, the status was being left to the WQE status. WQE status is non-zero as it is indicating a non-optimized completion that needs to be handled by the driver. Fix by clearing the status field when falling into the non-optimized case. Log message added to track optimized vs non-optimized debug. Link: https://lore.kernel.org/r/20210514195559.119853-3-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvme.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_nvme.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 41e49f61fac2..bcc804cefd30 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -1049,9 +1049,19 @@ lpfc_nvme_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn,
nCmd->transferred_length = wcqe->total_data_placed;
nCmd->rcv_rsplen = wcqe->parameter;
nCmd->status = 0;
- /* Sanity check */
- if (nCmd->rcv_rsplen == LPFC_NVME_ERSP_LEN)
+
+ /* Check if this is really an ERSP */
+ if (nCmd->rcv_rsplen == LPFC_NVME_ERSP_LEN) {
+ lpfc_ncmd->status = IOSTAT_SUCCESS;
+ lpfc_ncmd->result = 0;
+
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME,
+ "6084 NVME Completion ERSP: "
+ "xri %x placed x%x\n",
+ lpfc_ncmd->cur_iocbq.sli4_xritag,
+ wcqe->total_data_placed);
break;
+ }
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
"6081 NVME Completion Protocol Error: "
"xri %x status x%x result x%x "