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iio: dac: ti-dac5571: fix an error code in probe()

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commit f7a28df7db84eb3410e9eca37832efa5aed93338 upstream.

If we have an unexpected number of channels then return -EINVAL instead
of returning success.

Fixes: df38a4a72a ("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>
This commit is contained in:
Dan Carpenter 2021-08-16 21:39:54 +03:00 committed by Greg Kroah-Hartman
parent 69696951de
commit 232c485c6b
1 changed files with 1 additions and 0 deletions
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drivers/iio/dac/ti-dac5571.c
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@ -352,6 +352,7 @@ static int dac5571_probe(struct i2c_client *client,
data->dac5571_pwrdwn = dac5571_pwrdwn_quad;
break;
default:
ret = -EINVAL;
goto err;
}