From: Zhu Lingshan <lingshan.zhu@xxxxxxxxx>
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@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Message-Id: <20221125145724.1129962-4-lingshan.zhu@xxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/vdpa/ifcvf/ifcvf_main.c | 31 ++++++++++++++-----------------
1 file changed, 14 insertions(+), 17 deletions(-)
--- 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 *p
}
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 *p
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 *p
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,
