linux-kernel - [PATCH 6/8] iio: imu: adis16550: align buffers for timestamp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250417-iio-more-timestamp-alignment-v1-6-eafac1e22318@baylibre.com>
Date: Thu, 17 Apr 2025 11:52:38 -0500
From: David Lechner <dlechner@...libre.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Lars-Peter Clausen <lars@...afoo.de>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Cosmin Tanislav <cosmin.tanislav@...log.com>, 
 Tomasz Duszynski <tduszyns@...il.com>, 
 Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@....com>, 
 Andreas Klinger <ak@...klinger.de>, 
 Petre Rodan <petre.rodan@...dimension.ro>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 David Lechner <dlechner@...libre.com>
Subject: [PATCH 6/8] iio: imu: adis16550: align buffers for timestamp

Align the buffers used with iio_push_to_buffers_with_timestamp() to
ensure the s64 timestamp is aligned to 8 bytes.

Signed-off-by: David Lechner <dlechner@...libre.com>
---
 drivers/iio/accel/bmc150-accel.h | 2 +-
 drivers/iio/imu/adis16550.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/accel/bmc150-accel.h b/drivers/iio/accel/bmc150-accel.h
index 7a7baf52e5955b4cdaef86aeacf479459b76fe94..0079dc99b2c3fba927f73bb3ee8bdc0ea049833e 100644
--- a/drivers/iio/accel/bmc150-accel.h
+++ b/drivers/iio/accel/bmc150-accel.h
@@ -63,7 +63,7 @@ struct bmc150_accel_data {
 	struct bmc150_accel_trigger triggers[BMC150_ACCEL_TRIGGERS];
 	struct mutex mutex;
 	u8 fifo_mode, watermark;
-	s16 buffer[8];
+	s16 buffer[8] __aligned(8);
 	/*
 	 * Ensure there is sufficient space and correct alignment for
 	 * the timestamp if enabled
diff --git a/drivers/iio/imu/adis16550.c b/drivers/iio/imu/adis16550.c
index b14ea8937c7f5a2123e4097dc5b8260492044d1b..28f0dbd0226cbea67bc6c87d892f7812f21e9304 100644
--- a/drivers/iio/imu/adis16550.c
+++ b/drivers/iio/imu/adis16550.c
@@ -836,7 +836,7 @@ static irqreturn_t adis16550_trigger_handler(int irq, void *p)
 	u16 dummy;
 	bool valid;
 	struct iio_poll_func *pf = p;
-	__be32 data[ADIS16550_MAX_SCAN_DATA];
+	__be32 data[ADIS16550_MAX_SCAN_DATA] __aligned(8);
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct adis16550 *st = iio_priv(indio_dev);
 	struct adis *adis = iio_device_get_drvdata(indio_dev);

-- 
2.43.0