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scsi: aha1542: Use scsi_cmd_to_rq() instead of scsi_cmnd.request

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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>
This commit is contained in:
Bart Van Assche 2021-08-09 16:03:18 -07:00 committed by Martin K. Petersen
parent 40e16ce7b6
commit 11bf4ec580
1 changed files with 4 additions and 2 deletions
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6
drivers/scsi/aha1542.c
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@ -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;