diff options
| author |   Zhu Lingshan <lingshan.zhu@intel.com> | 2022-11-25 22:57:15 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-11 13:50:47 +0100 |
| commit | f35933f80d7d8a5a894aea92f47f5d6e73e6cfbb (patch) | |
| tree | 490a809346024762563500b137dbcdf9c9aaacc2 | |
| parent | vDPA/ifcvf: decouple config space ops from the adapter (diff) | |
| download | linux-stable-f35933f80d7d8a5a894aea92f47f5d6e73e6cfbb.tar.xz linux-stable-f35933f80d7d8a5a894aea92f47f5d6e73e6cfbb.zip | |
vDPA/ifcvf: alloc the mgmt_dev before the adapter
commit 66e3970b16d1e960afbece65739a3628273633f1 upstream.
This commit reverses the order of allocating the
management device and the adapter. So that it would
be possible to move the allocation of the adapter
to dev_add().
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Cc: stable@vger.kernel.org
Message-Id: <20221125145724.1129962-4-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_main.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 7383918b5719..860f72bfa7ba 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -831,22 +831,30 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id) } pci_set_master(pdev); + ifcvf_mgmt_dev = kzalloc(sizeof(struct ifcvf_vdpa_mgmt_dev), GFP_KERNEL); + if (!ifcvf_mgmt_dev) { + IFCVF_ERR(pdev, "Failed to alloc memory for the vDPA management device\n"); + return -ENOMEM; + } adapter = vdpa_alloc_device(struct ifcvf_adapter, vdpa, dev, &ifc_vdpa_ops, 1, 1, NULL, false); if (IS_ERR(adapter)) { IFCVF_ERR(pdev, "Failed to allocate vDPA structure"); - return PTR_ERR(adapter); + ret = PTR_ERR(adapter); + goto err; } + adapter->pdev = pdev; + adapter->vdpa.dma_dev = &pdev->dev; + adapter->vdpa.mdev = &ifcvf_mgmt_dev->mdev; + ifcvf_mgmt_dev->adapter = adapter; + vf = &adapter->vf; vf->dev_type = get_dev_type(pdev); vf->base = pcim_iomap_table(pdev); vf->pdev = pdev; - adapter->pdev = pdev; - adapter->vdpa.dma_dev = &pdev->dev; - ret = ifcvf_init_hw(vf, pdev); if (ret) { IFCVF_ERR(pdev, "Failed to init IFCVF hw\n"); @@ -859,16 +867,6 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id) vf->hw_features = ifcvf_get_hw_features(vf); vf->config_size = ifcvf_get_config_size(vf); - ifcvf_mgmt_dev = kzalloc(sizeof(struct ifcvf_vdpa_mgmt_dev), GFP_KERNEL); - if (!ifcvf_mgmt_dev) { - IFCVF_ERR(pdev, "Failed to alloc memory for the vDPA management device\n"); - return -ENOMEM; - } - - ifcvf_mgmt_dev->mdev.ops = &ifcvf_vdpa_mgmt_dev_ops; - ifcvf_mgmt_dev->mdev.device = dev; - ifcvf_mgmt_dev->adapter = adapter; - dev_type = get_dev_type(pdev); switch (dev_type) { case VIRTIO_ID_NET: @@ -883,12 +881,11 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err; } + ifcvf_mgmt_dev->mdev.ops = &ifcvf_vdpa_mgmt_dev_ops; + ifcvf_mgmt_dev->mdev.device = dev; ifcvf_mgmt_dev->mdev.max_supported_vqs = vf->nr_vring; ifcvf_mgmt_dev->mdev.supported_features = vf->hw_features; - adapter->vdpa.mdev = &ifcvf_mgmt_dev->mdev; - - ret = vdpa_mgmtdev_register(&ifcvf_mgmt_dev->mdev); if (ret) { IFCVF_ERR(pdev, |