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nvme-pci: use struct_size for allocation struct nvme_dev

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This avoids open coding the variable size array arithmetics.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Christoph Hellwig 2025-05-12 17:20:44 +02:00
parent f01e389e88
commit de65e64264
1 changed files with 2 additions and 2 deletions
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4
drivers/nvme/host/pci.c
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@ -3212,8 +3212,8 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev,
struct nvme_dev *dev;
int ret = -ENOMEM;
dev = kzalloc_node(sizeof(*dev) + nr_node_ids *
sizeof(*dev->descriptor_pools), GFP_KERNEL, node);
dev = kzalloc_node(struct_size(dev, descriptor_pools, nr_node_ids),
GFP_KERNEL, node);
if (!dev)
return ERR_PTR(-ENOMEM);
INIT_WORK(&dev->ctrl.reset_work, nvme_reset_work);