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[88.193.135.236]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b291e0eaccsm1324841e87.38.2026.07.18.17.08.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Jul 2026 17:08:53 -0700 (PDT) From: Rupesh Majhi To: David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Jonathan Cameron , Kai-Heng Feng , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Rupesh Majhi , stable@vger.kernel.org, Eddie James , Jonathan Cameron Subject: [PATCH] iio: pressure: dps310: fix NULL pointer dereference on ACPI probe Date: Sun, 19 Jul 2026 03:07:52 +0300 Message-ID: <20260719000752.75936-1-zoone.rupert@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" When the device is enumerated through its ACPI HID (IFX3100), i2c_client_get_device_id() returns NULL: the ACPI-derived client name does not match the driver's i2c_device_id table. dps310_probe() then dereferences that NULL pointer in "iio->name =3D id->name" and crashes the kernel during probe. The IIO device name is always "dps310", so set it directly and drop the now-unused device-id lookup. Fixes: 72ff282819d0 ("iio: pressure: dps310: Add ACPI HID table") Cc: stable@vger.kernel.org Signed-off-by: Rupesh Majhi --- drivers/iio/pressure/dps310.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/pressure/dps310.c b/drivers/iio/pressure/dps310.c index f45af72a0554..45bdb8c7670f 100644 --- a/drivers/iio/pressure/dps310.c +++ b/drivers/iio/pressure/dps310.c @@ -845,7 +845,6 @@ static const struct iio_info dps310_info =3D { =20 static int dps310_probe(struct i2c_client *client) { - const struct i2c_device_id *id =3D i2c_client_get_device_id(client); struct dps310_data *data; struct iio_dev *iio; int rc; @@ -858,7 +857,7 @@ static int dps310_probe(struct i2c_client *client) data->client =3D client; mutex_init(&data->lock); =20 - iio->name =3D id->name; + iio->name =3D DPS310_DEV_NAME; iio->channels =3D dps310_channels; iio->num_channels =3D ARRAY_SIZE(dps310_channels); iio->info =3D &dps310_info; --=20 2.43.0