iio: imu: mpu6050: fix possible NULL dereferences
Fix possible null dereferencing of i2c and spi driver data.
Signed-off-by: Matt Ranostay <matt.ranostay@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index f581256..d0c0e20 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -117,6 +117,7 @@
struct inv_mpu6050_state *st;
int result;
const char *name = id ? id->name : NULL;
+ const int chip_type = id ? id->driver_data : 0;
struct regmap *regmap;
if (!i2c_check_functionality(client->adapter,
@@ -131,7 +132,7 @@
}
result = inv_mpu_core_probe(regmap, client->irq, name,
- NULL, id->driver_data);
+ NULL, chip_type);
if (result < 0)
return result;
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index dea6c43..7bcb8d8 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -46,6 +46,7 @@
struct regmap *regmap;
const struct spi_device_id *id = spi_get_device_id(spi);
const char *name = id ? id->name : NULL;
+ const int chip_type = id ? id->driver_data : 0;
regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config);
if (IS_ERR(regmap)) {
@@ -55,7 +56,7 @@
}
return inv_mpu_core_probe(regmap, spi->irq, name,
- inv_mpu_i2c_disable, id->driver_data);
+ inv_mpu_i2c_disable, chip_type);
}
static int inv_mpu_remove(struct spi_device *spi)