[PATCH v1 1/1] ata: libata-scsi: Refactor scsi_6_lba_len() with use of get_unaligned_be24()

From: Andy Shevchenko
Date: Tue Jul 26 2022 - 11:46:08 EST


Refactor scsi_6_lba_len() with use of get_unaligned_be24() to make it
consistent with other similar helper implementations.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/ata/libata-scsi.c | 13 ++-----------
1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 29e2f55c6faa..857996add897 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1318,17 +1318,8 @@ static unsigned int ata_scsi_flush_xlat(struct ata_queued_cmd *qc)
*/
static void scsi_6_lba_len(const u8 *cdb, u64 *plba, u32 *plen)
{
- u64 lba = 0;
- u32 len;
-
- lba |= ((u64)(cdb[1] & 0x1f)) << 16;
- lba |= ((u64)cdb[2]) << 8;
- lba |= ((u64)cdb[3]);
-
- len = cdb[4];
-
- *plba = lba;
- *plen = len;
+ *plba = get_unaligned_be24(cdb[1]) & 0x1fffff;
+ *plen = cdb[4];
}

/**
--
2.35.1