iio: core: Leave private pointer NULL when no private data supplied

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[ Upstream commit f0245ab389 ]

In iio_device_alloc() when size of the private data is 0,
the private pointer is calculated to point behind the valid data.
Leave it NULL when no private data supplied.

Fixes: 6d4ebd565d ("iio: core: wrap IIO device into an iio_dev_opaque object")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240304140650.977784-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Andy Shevchenko 2024-03-04 16:04:32 +02:00 • committed by Greg Kroah-Hartman

parent 5c53a28ab2

commit fe92a949b2

1 changed files with 4 additions and 2 deletions

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drivers/iio/industrialio-core.c

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