From: Bart Van Assche <bvanassche@acm.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Christoph Hellwig <hch@lst.de>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
Bart Van Assche <bvanassche@acm.org>,
Kai Makisara <Kai.Makisara@kolumbus.fi>,
"James E . J . Bottomley" <jejb@linux.ibm.com>
Subject: [PATCH 5/9] scsi/st: Use get_unaligned_signed_be24()
Date: Mon, 28 Oct 2019 13:06:56 -0700 [thread overview]
Message-ID: <20191028200700.213753-6-bvanassche@acm.org> (raw)
In-Reply-To: <20191028200700.213753-1-bvanassche@acm.org>
Use this function instead of open-coding it.
Cc: Kai Makisara <Kai.Makisara@kolumbus.fi>
Cc: James E.J. Bottomley <jejb@linux.ibm.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
drivers/scsi/st.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index e3266a64a477..53dc7706c935 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -44,6 +44,7 @@ static const char *verstr = "20160209";
#include <linux/uaccess.h>
#include <asm/dma.h>
+#include <asm/unaligned.h>
#include <scsi/scsi.h>
#include <scsi/scsi_dbg.h>
@@ -2679,8 +2680,7 @@ static void deb_space_print(struct scsi_tape *STp, int direction, char *units, u
if (!debugging)
return;
- sc = cmd[2] & 0x80 ? 0xff000000 : 0;
- sc |= (cmd[2] << 16) | (cmd[3] << 8) | cmd[4];
+ sc = get_unaligned_signed_be24(&cmd[2]);
if (direction)
sc = -sc;
st_printk(ST_DEB_MSG, STp, "Spacing tape %s over %d %s.\n",
--
2.24.0.rc0.303.g954a862665-goog
next prev parent reply other threads:[~2019-10-28 20:07 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-28 20:06 [PATCH 0/9] Consolidate {get,put}_unaligned_[bl]e24() definitions Bart Van Assche
2019-10-28 20:06 ` [PATCH 1/9] linux/unaligned/byteshift.h: Remove superfluous casts Bart Van Assche
2019-10-28 20:06 ` [PATCH 2/9] c6x: Include <linux/unaligned/generic.h> instead of duplicating it Bart Van Assche
2019-11-07 3:09 ` Bart Van Assche
2019-11-07 13:54 ` Mark Salter
2019-10-28 20:06 ` [PATCH 3/9] treewide: Consolidate {get,put}_unaligned_[bl]e24() definitions Bart Van Assche
2019-10-28 20:06 ` [PATCH 4/9] drivers/iio: Sign extend without triggering implementation-defined behavior Bart Van Assche
2019-10-30 19:43 ` Jonathan Cameron
2019-10-30 20:02 ` Peter Zijlstra
2019-10-30 22:13 ` Douglas Gilbert
2019-10-31 17:55 ` Bart Van Assche
2019-10-28 20:06 ` Bart Van Assche [this message]
2019-10-28 20:06 ` [PATCH 6/9] scsi/trace: Use get_unaligned_be*() Bart Van Assche
2019-10-28 20:06 ` [PATCH 7/9] arm/ecard: Use get_unaligned_le{16,24}() Bart Van Assche
2019-10-28 20:06 ` [PATCH 8/9] IB/qib: Sign extend without triggering implementation-defined behavior Bart Van Assche
2019-10-28 20:07 ` [PATCH 9/9] ASoC/fsl_spdif: Use put_unaligned_be24() instead of open-coding it Bart Van Assche
2019-10-28 20:24 ` Mark Brown
2019-10-28 20:49 ` Bart Van Assche
2019-10-28 21:52 ` [PATCH 0/9] Consolidate {get,put}_unaligned_[bl]e24() definitions Peter Zijlstra
2019-10-28 22:02 ` Bart Van Assche
2019-10-29 1:10 ` Douglas Gilbert
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