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nvme-pci: remove redundant dma frees in hmb

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The value of size is 0 when there is no dma buffer allocated. The value
of i also remains 0. So, no need to free the dma buffer in out_free_bufs.
Hence, remove the redundant dma frees.

Signed-off-by: Francis Pravin <francis.p@samsung.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Francis Pravin 2025-01-17 05:12:09 +05:30 • committed by Keith Busch
parent 3c47c2ccd5
commit d68fc95a77
1 changed files with 0 additions and 8 deletions
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8
drivers/nvme/host/pci.c
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@ -2153,14 +2153,6 @@ static int nvme_alloc_host_mem_multi(struct nvme_dev *dev, u64 preferred,
return 0;
out_free_bufs:
while (--i >= 0) {
size_t size = le32_to_cpu(descs[i].size) * NVME_CTRL_PAGE_SIZE;
dma_free_attrs(dev->dev, size, bufs[i],
le64_to_cpu(descs[i].addr),
DMA_ATTR_NO_KERNEL_MAPPING | DMA_ATTR_NO_WARN);
}
kfree(bufs);
out_free_descs:
dma_free_coherent(dev->dev, descs_size, descs, descs_dma);