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iio: Mark iio_device_type as const

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The iio_device_type struct is never modified, mark it as const. This allows
it to be placed in a read-only memory section, which will protect against
accidental or deliberate modification.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20211031080421.2086-1-lars@metafoo.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lars-Peter Clausen 2021-10-31 09:04:21 +01:00 committed by Jonathan Cameron
parent 1fd85607e1
commit 3c33b7b826
2 changed files with 2 additions and 2 deletions
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2
drivers/iio/iio_core.h
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@ -16,7 +16,7 @@ struct iio_buffer;
struct iio_chan_spec;
struct iio_dev;
extern struct device_type iio_device_type;
extern const struct device_type iio_device_type;
struct iio_dev_buffer_pair {
struct iio_dev *indio_dev;

2
drivers/iio/industrialio-core.c
View File

@ -1622,7 +1622,7 @@ static void iio_dev_release(struct device *device)
kfree(iio_dev_opaque);
}
struct device_type iio_device_type = {
const struct device_type iio_device_type = {
.name = "iio_device",
.release = iio_dev_release,
};