From: Bart Van Assche <bvanassche@acm.org>
Date: Mon, 9 Aug 2021 16:03:18 -0700
Subject: [PATCH] scsi: aha1542: Use scsi_cmd_to_rq() instead of
 scsi_cmnd.request
Git-commit: 11bf4ec580737c77755c1c4ab698d12988dd93e6
Patch-mainline: v5.15-rc1
References: jsc#PED-1559

Prepare for removal of the request pointer by using scsi_cmd_to_rq()
instead. This patch does not change any functionality.

Link: https://lore.kernel.org/r/20210809230355.8186-16-bvanassche@acm.org
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 drivers/scsi/aha1542.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index 1210e61afb18..584a59522038 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -262,11 +262,12 @@ static void aha1542_free_cmd(struct scsi_cmnd *cmd)
 	struct aha1542_cmd *acmd = scsi_cmd_priv(cmd);
 
 	if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
+		struct request *rq = scsi_cmd_to_rq(cmd);
 		void *buf = acmd->data_buffer;
 		struct req_iterator iter;
 		struct bio_vec bv;
 
-		rq_for_each_segment(bv, cmd->request, iter) {
+		rq_for_each_segment(bv, rq, iter) {
 			memcpy_to_page(bv.bv_page, bv.bv_offset, buf,
 				       bv.bv_len);
 			buf += bv.bv_len;
@@ -447,11 +448,12 @@ static int aha1542_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *cmd)
 #endif
 
 	if (cmd->sc_data_direction == DMA_TO_DEVICE) {
+		struct request *rq = scsi_cmd_to_rq(cmd);
 		void *buf = acmd->data_buffer;
 		struct req_iterator iter;
 		struct bio_vec bv;
 
-		rq_for_each_segment(bv, cmd->request, iter) {
+		rq_for_each_segment(bv, rq, iter) {
 			memcpy_from_page(buf, bv.bv_page, bv.bv_offset,
 					 bv.bv_len);
 			buf += bv.bv_len;
-- 
2.35.3