iio: light: si1133: fix uninitialized resp variable

Read response register to detect any error.

Signed-off-by: Maxime Roussin-Bélanger <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Maxime Roussin-Bélanger 2018-07-31 16:13:21 -04:00 • committed by Jonathan Cameron
commit 496fb59e12

View file

@ -409,6 +409,9 @@ static int si1133_command(struct si1133_data *data, u8 cmd)
err = -ETIMEDOUT;
goto out;
}
err = regmap_read(data->regmap, SI1133_REG_RESPONSE0, &resp);
if (err)
goto out;
} else {
err = regmap_read_poll_timeout(data->regmap,
SI1133_REG_RESPONSE0, resp,