linux-kernel - [PATCH v3 02/13] iio: adc: ad7091r: Populate device driver data field

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Message-ID: <14973feb4c0f4ad01a0e5047407c93ce9b9e5463.1701971344.git.marcelo.schmitt1@gmail.com>
Date:   Thu, 7 Dec 2023 15:37:58 -0300
From:   Marcelo Schmitt <marcelo.schmitt@...log.com>
To:     <apw@...onical.com>, <joe@...ches.com>, <dwaipayanray1@...il.com>,
        <lukas.bulwahn@...il.com>, <paul.cercueil@...log.com>,
        <Michael.Hennerich@...log.com>, <lars@...afoo.de>,
        <jic23@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <dan.carpenter@...aro.org>, <marcelo.schmitt1@...il.com>
CC:     <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 02/13] iio: adc: ad7091r: Populate device driver data field

Set device driver data so it can be retrieved when handling alert
events, avoiding null pointer dereference.

Fixes: ca69300173b6 ("iio: adc: Add support for AD7091R5 ADC")
Signed-off-by: Marcelo Schmitt <marcelo.schmitt@...log.com>
---
 drivers/iio/adc/ad7091r-base.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c
index 8e252cde735b..0f192fbecbd4 100644
--- a/drivers/iio/adc/ad7091r-base.c
+++ b/drivers/iio/adc/ad7091r-base.c
@@ -232,6 +232,7 @@ int ad7091r_probe(struct device *dev, const char *name,
 	iio_dev->channels = chip_info->channels;
 
 	if (irq) {
+		dev_set_drvdata(st->dev, iio_dev);
 		ret = devm_request_threaded_irq(dev, irq, NULL,
 				ad7091r_event_handler,
 				IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, st);
-- 
2.42.0