linux-kernel - [PATCH 2/2] media: pci: mg4b: use iio_push_to_buffers_with

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Message-Id: <20250905-media-pci-mfb4-iio-trigger-improvements-v1-2-55996f077a02@baylibre.com>
Date: Fri, 05 Sep 2025 14:06:20 -0500
From: David Lechner <dlechner@...libre.com>
To: Martin Tuma <martin.tuma@...iteqautomotive.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-media@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>
Subject: [PATCH 2/2] media: pci: mg4b: use iio_push_to_buffers_with_ts()

Replace iio_push_to_buffers_with_timestamp() with
iio_push_to_buffers_with_ts(). This adds an extra argument with the
buffer size to ensure that we aren't writing past the end of the buffer.
No functional change.

Suggested-by: Jonathan Cameron <jic23@...nel.org>
Closes: https://lore.kernel.org/linux-iio/20250724115610.011110fb@jic23-huawei/
Signed-off-by: David Lechner <dlechner@...libre.com>
---
 drivers/media/pci/mgb4/mgb4_trigger.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/pci/mgb4/mgb4_trigger.c b/drivers/media/pci/mgb4/mgb4_trigger.c
index bed8bbd4bc595d1d131b9919c6f3b705e43ba3c4..4f9a35904b4186618a554e3047d6b46ff7ed74be 100644
--- a/drivers/media/pci/mgb4/mgb4_trigger.c
+++ b/drivers/media/pci/mgb4/mgb4_trigger.c
@@ -97,7 +97,7 @@ static irqreturn_t trigger_handler(int irq, void *p)
 	scan.data = mgb4_read_reg(&st->mgbdev->video, 0xA0);
 	mgb4_write_reg(&st->mgbdev->video, 0xA0, scan.data);
 
-	iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp);
+	iio_push_to_buffers_with_ts(indio_dev, &scan, sizeof(scan), pf->timestamp);
 	iio_trigger_notify_done(indio_dev->trig);
 
 	mgb4_write_reg(&st->mgbdev->video, 0xB4, 1U << 11);

-- 
2.43.0