scsi: lpfc: Use memset_startat() helper in lpfc_nvmet_xmt_fcp_op_cmp()

Use memset_startat() helper to simplify the code, no functional changes.

Link: https://lore.kernel.org/r/20220613021851.59699-1-xiujianfeng@huawei.com
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index c0ee0b39075d8cf958a94b66f689d544469f5f3b..c3cb7e8a2a7c60fe0ff0304e5393a95e3989b1e8 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -722,7 +722,7 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
        struct lpfc_nvmet_tgtport *tgtp;
        struct nvmefc_tgt_fcp_req *rsp;
        struct lpfc_async_xchg_ctx *ctxp;
-       uint32_t status, result, op, start_clean, logerr;
+       uint32_t status, result, op, logerr;
        struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl;
 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
        int id;
@@ -820,9 +820,7 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
                /* lpfc_nvmet_xmt_fcp_release() will recycle the context */
        } else {
                ctxp->entry_cnt++;
-               start_clean = offsetof(struct lpfc_iocbq, cmd_flag);
-               memset(((char *)cmdwqe) + start_clean, 0,
-                      (sizeof(struct lpfc_iocbq) - start_clean));
+               memset_startat(cmdwqe, 0, cmd_flag);
 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
                if (ctxp->ts_cmd_nvme) {
                        ctxp->ts_isr_data = cmdwqe->isr_timestamp;