iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nvme-pci: fix DMA direction of unmapping integrity data

Browse Source 
[ Upstream commit b8f6446b6853768cb99e7c201bddce69ca60c15e ]

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: 4aedb705437f ("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 c58e45fbea
commit 04d2c9a6cb
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/nvme/host/pci.c
View File

@ -965,7 +965,7 @@ static void nvme_pci_complete_rq(struct request *req)
struct nvme_iod *iod = blk_mq_rq_to_pdu(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))