[PATCH -next] scsi: lpfc: Use memset_startat() helper

Xiu Jianfeng
2022-11-11T07:46:27Z

User memset_startat() helper to simplify the code, no functional
changes in this patch.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
---
drivers/scsi/lpfc/lpfc_sli.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index d25afc9dde14..35c9404d5e49 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1373,7 +1373,6 @@ static void
__lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
{
struct lpfc_sglq *sglq;
- size_t start_clean = offsetof(struct lpfc_iocbq, wqe);
unsigned long iflag = 0;
struct lpfc_sli_ring *pring;

@@ -1430,7 +1429,7 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
/*
* Clean all volatile data fields, preserve iotag and node struct.
*/
- memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean);
+ memset_startat(iocbq, 0, wqe);
iocbq->sli4_lxritag = NO_XRI;
iocbq->sli4_xritag = NO_XRI;
iocbq->cmd_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET | LPFC_IO_CMF |
@@ -1453,12 +1452,11 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
static void
__lpfc_sli_release_iocbq_s3(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
{
- size_t start_clean = offsetof(struct lpfc_iocbq, iocb);

/*
* Clean all volatile data fields, preserve iotag and node struct.
*/
- memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean);
+ memset_startat(iocbq, 0, iocb);
iocbq->sli4_xritag = NO_XRI;
list_add_tail(&iocbq->list, &phba->lpfc_iocb_list);
}
--
2.17.1