devm_regmap_init_i2c may fail and return NULL. The fix returns the error when it fails. Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> --- drivers/iio/magnetometer/hmc5843_i2c.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/iio/magnetometer/hmc5843_i2c.c b/drivers/iio/magnetometer/hmc5843_i2c.c index 3de7f4426ac4..c0cd0823f8d5 100644 --- a/drivers/iio/magnetometer/hmc5843_i2c.c +++ b/drivers/iio/magnetometer/hmc5843_i2c.c @@ -58,8 +58,13 @@ static const struct regmap_config hmc5843_i2c_regmap_config = { static int hmc5843_i2c_probe(struct i2c_client *cli, const struct i2c_device_id *id) { + struct regmap *devm_regmap = devm_regmap_init_i2c(cli, + &hmc5843_i2c_regmap_config); + if (IS_ERR(devm_regmap)) + return PTR_ERR(devm_regmap); + return hmc5843_common_probe(&cli->dev, - devm_regmap_init_i2c(cli, &hmc5843_i2c_regmap_config), + devm_regmap, id->driver_data, id->name); } -- 2.17.1