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

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commit f7a28df7db 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 6c0024bcaa
commit 07f8856824
1 changed files with 1 additions and 0 deletions
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drivers/iio/dac/ti-dac5571.c
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@@ -350,6 +350,7 @@ static int dac5571_probe(struct i2c_client *client,
data->dac5571_pwrdwn = dac5571_pwrdwn_quad;
break;
default:
ret = -EINVAL;
goto err;
}