linux-kernel - [PATCH v3 3/4] iio: accel: kxcjk-1013: Assign NULL to ddata in kxcjk1013

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Message-ID: <20241101131705.3697913-4-andriy.shevchenko@linux.intel.com>
Date: Fri,  1 Nov 2024 15:16:03 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>
Subject: [PATCH v3 3/4] iio: accel: kxcjk-1013: Assign NULL to ddata in kxcjk1013_probe()

When iio_get_acpi_device_name_and_data() fails, the ddata may be left
uninitialised. Initialise it to NULL and drop unneeded NULL check
in kxcjk1013_probe().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/iio/accel/kxcjk-1013.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index 28ed0e09d099..753ec2f71a9a 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -1462,7 +1462,7 @@ static int kxcjk1013_probe(struct i2c_client *client)
 	struct kxcjk1013_data *data;
 	struct iio_dev *indio_dev;
 	struct kxcjk_1013_platform_data *pdata;
-	const void *ddata;
+	const void *ddata = NULL;
 	const char *name;
 	int ret;
 
@@ -1507,8 +1507,7 @@ static int kxcjk1013_probe(struct i2c_client *client)
 		data->info = (const struct kx_chipset_info *)(id->driver_data);
 	} else {
 		name = iio_get_acpi_device_name_and_data(&client->dev, &ddata);
-		if (name)
-			data->info = ddata;
+		data->info = ddata;
 		if (data->info == &kxcj91008_kiox010a_info)
 			indio_dev->label = "accel-display";
 		else if (data->info == &kxcj91008_kiox020a_info)
-- 
2.43.0.rc1.1336.g36b5255a03ac