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iio: dac: ti-dac5571: fix an error code in probe()
author
Dan Carpenter
<dan.carpenter@oracle.com>
Mon, 16 Aug 2021 18:39:54 +0000
(21:39 +0300)
committer
Jonathan Cameron
<Jonathan.Cameron@huawei.com>
Tue, 14 Sep 2021 11:02:08 +0000
(12:02 +0100)
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>
drivers/iio/dac/ti-dac5571.c
patch
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diff --git
a/drivers/iio/dac/ti-dac5571.c
b/drivers/iio/dac/ti-dac5571.c
index
2a5ba1b
..
546a4cf
100644
(file)
--- a/
drivers/iio/dac/ti-dac5571.c
+++ b/
drivers/iio/dac/ti-dac5571.c
@@
-350,6
+350,7
@@
static int dac5571_probe(struct i2c_client *client,
data->dac5571_pwrdwn = dac5571_pwrdwn_quad;
break;
default:
+ ret = -EINVAL;
goto err;
}