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authorChristoph Hellwig <hch@lst.de>2020-10-05 10:41:25 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2020-10-07 21:48:27 -0400
commit40b93836a136a46d7240aa13840c87fb239c865c (patch)
treee06e027d096a3e6a7f67b8d5aab43aad0943c0c9 /drivers/scsi
parent2ceda20f0a99a74a82b78870f3b3e5fa93087a7f (diff)
downloadlinux-40b93836a136a46d7240aa13840c87fb239c865c.tar.bz2
scsi: core: Use rq_dma_dir in scsi_setup_cmnd()
Link: https://lore.kernel.org/r/20201005084130.143273-6-hch@lst.de Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/scsi_lib.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b0bd15f53467..3325ca22bf6d 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1215,12 +1215,7 @@ static blk_status_t scsi_setup_cmnd(struct scsi_device *sdev,
struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
blk_status_t ret;
- if (!blk_rq_bytes(req))
- cmd->sc_data_direction = DMA_NONE;
- else if (rq_data_dir(req) == WRITE)
- cmd->sc_data_direction = DMA_TO_DEVICE;
- else
- cmd->sc_data_direction = DMA_FROM_DEVICE;
+ cmd->sc_data_direction = rq_dma_dir(req);
if (blk_rq_is_scsi(req))
ret = scsi_setup_scsi_cmnd(sdev, req);