scsi: lpfc: Use sg_dma_len() API to get struct scatterlist's length

The sg_dma_len() API should be used to retrieve a scatterlist's length
instead of directly accessing scatterlist->length.

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240131185112.149731-4-justintee8345@gmail.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index d26941b131fdb81e6bc9fe48ccc57b75a0055af5..07e941da8a1620bc1e19fef7ae696b40d4aacff5 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -2728,14 +2728,14 @@ lpfc_calc_bg_err(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd)
                sgde = scsi_sglist(cmd);
                blksize = scsi_prot_interval(cmd);
                data_src = (uint8_t *)sg_virt(sgde);
-               data_len = sgde->length;
+               data_len = sg_dma_len(sgde);
                if ((data_len & (blksize - 1)) == 0)
                        chk_guard = 1;
 
                src = (struct scsi_dif_tuple *)sg_virt(sgpe);
                start_ref_tag = scsi_prot_ref_tag(cmd);
                start_app_tag = src->app_tag;
-               len = sgpe->length;
+               len = sg_dma_len(sgpe);
                while (src && protsegcnt) {
                        while (len) {
 
@@ -2800,7 +2800,7 @@ skipit:
                                                goto out;
 
                                        data_src = (uint8_t *)sg_virt(sgde);
-                                       data_len = sgde->length;
+                                       data_len = sg_dma_len(sgde);
                                        if ((data_len & (blksize - 1)) == 0)
                                                chk_guard = 1;
                                }
@@ -2810,7 +2810,7 @@ skipit:
                        sgpe = sg_next(sgpe);
                        if (sgpe) {
                                src = (struct scsi_dif_tuple *)sg_virt(sgpe);
-                               len = sgpe->length;
+                               len = sg_dma_len(sgpe);
                        } else {
                                src = NULL;
                        }