From: Dan Carpenter dan.carpenter@oracle.com
commit f7a28df7db84eb3410e9eca37832efa5aed93338 upstream.
If we have an unexpected number of channels then return -EINVAL instead of returning success.
Fixes: df38a4a72a3b ("iio: dac: add TI DAC5571 family support") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Link: https://lore.kernel.org/r/20210816183954.GB2068@kili Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/iio/dac/ti-dac5571.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/iio/dac/ti-dac5571.c +++ b/drivers/iio/dac/ti-dac5571.c @@ -355,6 +355,7 @@ static int dac5571_probe(struct i2c_clie data->dac5571_pwrdwn = dac5571_pwrdwn_quad; break; default: + ret = -EINVAL; goto err; }