diff options
Diffstat (limited to 'drivers/nvme/host/pci.c')
| -rw-r--r-- | drivers/nvme/host/pci.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index ea892e732268..198245faba6b 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -556,8 +556,10 @@ static blk_status_t nvme_setup_prps(struct nvme_dev *dev, struct request *req) int nprps, i; length -= (page_size - offset); - if (length <= 0) + if (length <= 0) { + iod->first_dma = 0; return BLK_STS_OK; + } dma_len -= (page_size - offset); if (dma_len) { @@ -667,7 +669,7 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req, if (blk_rq_map_integrity_sg(q, req->bio, &iod->meta_sg) != 1) goto out_unmap; - if (rq_data_dir(req)) + if (req_op(req) == REQ_OP_WRITE) nvme_dif_remap(req, nvme_dif_prep); if (!dma_map_sg(dev->dev, &iod->meta_sg, 1, dma_dir)) @@ -695,7 +697,7 @@ static void nvme_unmap_data(struct nvme_dev *dev, struct request *req) if (iod->nents) { dma_unmap_sg(dev->dev, iod->sg, iod->nents, dma_dir); if (blk_integrity_rq(req)) { - if (!rq_data_dir(req)) + if (req_op(req) == REQ_OP_READ) nvme_dif_remap(req, nvme_dif_complete); dma_unmap_sg(dev->dev, &iod->meta_sg, 1, dma_dir); } @@ -1377,6 +1379,7 @@ static int nvme_alloc_admin_tags(struct nvme_dev *dev) if (blk_mq_alloc_tag_set(&dev->admin_tagset)) return -ENOMEM; + dev->ctrl.admin_tagset = &dev->admin_tagset; dev->ctrl.admin_q = blk_mq_init_queue(&dev->admin_tagset); if (IS_ERR(dev->ctrl.admin_q)) { |