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| author | Matt Ranostay <matt.ranostay@intel.com> | 2016-03-02 19:18:12 -0800 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-03-05 17:51:10 +0000 |
| commit | c816d9e7a57bd436b2cff8f48b0e8cff128f05db (patch) | |
| tree | 61d6daee8ca6adeb27da41a03883f198bf8c249f /drivers/iio/imu | |
| parent | 96c0cb2bbfe0a58bd0c37cf34d50a20f9cd75aa8 (diff) | |
| download | linux-c816d9e7a57bd436b2cff8f48b0e8cff128f05db.tar.gz linux-c816d9e7a57bd436b2cff8f48b0e8cff128f05db.tar.bz2 linux-c816d9e7a57bd436b2cff8f48b0e8cff128f05db.zip | |
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>
Diffstat (limited to 'drivers/iio/imu')
| -rw-r--r-- | drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 3 | ||||
| -rw-r--r-- | drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c index f581256d9d4c..d0c0e20c7122 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 @@ static int inv_mpu_probe(struct i2c_client *client, 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 @@ static int inv_mpu_probe(struct i2c_client *client, } 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 dea6c4361de0..7bcb8d839f05 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 @@ static int inv_mpu_probe(struct spi_device *spi) 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 @@ static int inv_mpu_probe(struct spi_device *spi) } 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) |