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iio: adc: at91-sama5d2_adc: fix an error code in at91_adc_allocate_trigger()
author
Dan Carpenter
<error27@gmail.com>
Wed, 29 Mar 2023 04:35:32 +0000
(07:35 +0300)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 26 Apr 2023 12:28:43 +0000
(14:28 +0200)
commit
73a428b37b9b538f8f8fe61caa45e7f243bab87c
upstream.
The at91_adc_allocate_trigger() function is supposed to return error
pointers. Returning a NULL will cause an Oops.
Fixes:
5e1a1da0f8c9
("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Link:
https://lore.kernel.org/r/5d728f9d-31d1-410d-a0b3-df6a63a2c8ba@kili.mountain
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/iio/adc/at91-sama5d2_adc.c
patch
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diff --git
a/drivers/iio/adc/at91-sama5d2_adc.c
b/drivers/iio/adc/at91-sama5d2_adc.c
index
870f4cb
..
3ad5678
100644
(file)
--- a/
drivers/iio/adc/at91-sama5d2_adc.c
+++ b/
drivers/iio/adc/at91-sama5d2_adc.c
@@
-1409,7
+1409,7
@@
static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *indio,
trig = devm_iio_trigger_alloc(&indio->dev, "%s-dev%d-%s", indio->name,
iio_device_id(indio), trigger_name);
if (!trig)
- return
NULL
;
+ return
ERR_PTR(-ENOMEM)
;
trig->dev.parent = indio->dev.parent;
iio_trigger_set_drvdata(trig, indio);