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nvme-pci: fix DMA direction of unmapping integrity data

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[ Upstream commit b8f6446b68 ]

DMA direction should be taken in dma_unmap_page() for unmapping integrity
data.

Fix this DMA direction, and reported in Guangwu's test.

Reported-by: Guangwu Zhang <guazhang@redhat.com>
Fixes: 4aedb70543 ("nvme-pci: split metadata handling from nvme_map_data / nvme_unmap_data")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ming Lei
2023-07-13 17:26:20 +08:00
committed by Greg Kroah-Hartman
parent 8359ee85fd
commit f4ff379812
1 changed files with 2 additions and 1 deletions
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drivers/nvme/host/pci.c
+2 -1
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@@ -968,7 +968,8 @@ static void nvme_pci_complete_rq(struct request *req)
if (blk_integrity_rq(req))
dma_unmap_page(dev->dev, iod->meta_dma,
rq_integrity_vec(req)->bv_len, rq_data_dir(req));
rq_integrity_vec(req)->bv_len, rq_dma_dir(req));
if (blk_rq_nr_phys_segments(req))
nvme_unmap_data(dev, req);
nvme_complete_rq(req);