nvme-pci: fix DMA direction of unmapping integrity data

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 <[email protected]> Fixes: 4aedb70 ("nvme-pci: split metadata handling from nvme_map_data / nvme_unmap_data") Signed-off-by: Ming Lei <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Keith Busch <[email protected]>
kawasaki · Jul 13, 2023 · b8f6446 · b8f6446
1 parent ac522fc
commit b8f6446
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
@@ -967,7 +967,7 @@ static __always_inline void nvme_pci_unmap_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))