From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Damien Le Moal <damien.lemoal@opensource.wdc.com>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1 1/1] ata: libata-scsi: Refactor scsi_6_lba_len() with use of get_unaligned_be24()
Date: Tue, 26 Jul 2022 18:45:18 +0300 [thread overview]
Message-ID: <20220726154518.73248-1-andriy.shevchenko@linux.intel.com> (raw)
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@linux.intel.com>
---
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
next reply other threads:[~2022-07-26 15:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-26 15:45 Andy Shevchenko [this message]
2022-07-26 17:55 ` [PATCH v1 1/1] ata: libata-scsi: Refactor scsi_6_lba_len() with use of get_unaligned_be24() Christoph Hellwig
2022-07-29 3:25 ` kernel test robot
2022-07-29 3:25 ` kernel test robot
2022-07-29 3:36 ` kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2024-10-16 13:18 Andy Shevchenko
2024-10-17 0:32 ` Damien Le Moal
2024-10-17 8:14 ` Niklas Cassel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220726154518.73248-1-andriy.shevchenko@linux.intel.com \
--to=andriy.shevchenko@linux.intel.com \
--cc=damien.lemoal@opensource.wdc.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.