Revert "pcie_sriov: Ensure VF function number does not overflow"

This reverts commit 77718701157f6ca77ea7a57b536fa0a22f676082.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 8 insertions, 16 deletions

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index e86ea2e7ce..c6d4f61a47 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -8271,8 +8271,7 @@ out:
     return pow2ceil(bar_size);
 }
 
-static bool nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset,
-                            Error **errp)
+static void nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset)
 {
     uint16_t vf_dev_id = n->params.use_intel_id ?
                          PCI_DEVICE_ID_INTEL_NVME : PCI_DEVICE_ID_REDHAT_NVME;
@@ -8281,17 +8280,12 @@ static bool nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset,
                                       le16_to_cpu(cap->vifrsm),
                                       NULL, NULL);
 
-    if (!pcie_sriov_pf_init(pci_dev, offset, "nvme", vf_dev_id,
-                            n->params.sriov_max_vfs, n->params.sriov_max_vfs,
-                            NVME_VF_OFFSET, NVME_VF_STRIDE,
-                            errp)) {
-        return false;
-    }
+    pcie_sriov_pf_init(pci_dev, offset, "nvme", vf_dev_id,
+                       n->params.sriov_max_vfs, n->params.sriov_max_vfs,
+                       NVME_VF_OFFSET, NVME_VF_STRIDE);
 
     pcie_sriov_pf_init_vf_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY |
                               PCI_BASE_ADDRESS_MEM_TYPE_64, bar_size);
-
-    return true;
 }
 
 static int nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset)
@@ -8416,12 +8410,6 @@ static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp)
         return false;
     }
 
-    if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs &&
-        !nvme_init_sriov(n, pci_dev, 0x120, errp)) {
-        msix_uninit(pci_dev, &n->bar0, &n->bar0);
-        return false;
-    }
-
     nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize);
 
     pcie_cap_deverr_init(pci_dev);
@@ -8451,6 +8439,10 @@ static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp)
         nvme_init_pmr(n, pci_dev);
     }
 
+    if (!pci_is_vf(pci_dev) && n->params.sriov_max_vfs) {
+        nvme_init_sriov(n, pci_dev, 0x120);
+    }
+
     return true;
 }