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swiotlb: simplify array allocation

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Prefer kcalloc() to kzalloc(array_size()) for allocating an array.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Robin Murphy 2022-01-24 16:40:19 +00:00 committed by Christoph Hellwig
parent c0a4191c27
commit 404f9373c4
1 changed files with 1 additions and 2 deletions
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3
kernel/dma/swiotlb.c
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@ -818,8 +818,7 @@ static int rmem_swiotlb_device_init(struct reserved_mem *rmem,
if (!mem)
return -ENOMEM;
mem->slots = kzalloc(array_size(sizeof(*mem->slots), nslabs),
GFP_KERNEL);
mem->slots = kcalloc(nslabs, sizeof(*mem->slots), GFP_KERNEL);
if (!mem->slots) {
kfree(mem);
return -ENOMEM;