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iio: core: Calculate alloc_size only once in iio_device_alloc()

No need to rewrite the value, instead use 'else' branch.
This will also help further refactoring the code later on.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240304140650.977784-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

authored by

Andy Shevchenko and committed by
Jonathan Cameron 5c4e4115 f0245ab3

+4 -5
+4 -5
drivers/iio/industrialio-core.c
··· 1643 1643 struct iio_dev *indio_dev; 1644 1644 size_t alloc_size; 1645 1645 1646 - alloc_size = sizeof(struct iio_dev_opaque); 1647 - if (sizeof_priv) { 1648 - alloc_size = ALIGN(alloc_size, IIO_DMA_MINALIGN); 1649 - alloc_size += sizeof_priv; 1650 - } 1646 + if (sizeof_priv) 1647 + alloc_size = ALIGN(sizeof(*iio_dev_opaque), IIO_DMA_MINALIGN) + sizeof_priv; 1648 + else 1649 + alloc_size = sizeof(*iio_dev_opaque); 1651 1650 1652 1651 iio_dev_opaque = kzalloc(alloc_size, GFP_KERNEL); 1653 1652 if (!iio_dev_opaque)