motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-10 02:54:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

pcie_sriov: Ensure VF function number does not overflow

Browse source 
pci_new() aborts when creating a VF with a function number equals to or
is greater than PCI_DEVFN_MAX.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240627-reuse-v10-5-7ca0b8ed3d9f@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Akihiko Odaki 2024-06-27 15:07:54 +09:00 • committed by Michael S. Tsirkin
parent c613ad2512
commit 7771870115
5 changed files with 51 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

13
hw/net/igb.c
View file

@ -446,9 +446,16 @@ static void igb_pci_realize(PCIDevice *pci_dev, Error **errp)
pcie_ari_init(pci_dev, 0x150);
pcie_sriov_pf_init(pci_dev, IGB_CAP_SRIOV_OFFSET, TYPE_IGBVF,
IGB_82576_VF_DEV_ID, IGB_MAX_VF_FUNCTIONS, IGB_MAX_VF_FUNCTIONS,
IGB_VF_OFFSET, IGB_VF_STRIDE);
if (!pcie_sriov_pf_init(pci_dev, IGB_CAP_SRIOV_OFFSET,
TYPE_IGBVF, IGB_82576_VF_DEV_ID,
IGB_MAX_VF_FUNCTIONS, IGB_MAX_VF_FUNCTIONS,
IGB_VF_OFFSET, IGB_VF_STRIDE,
errp)) {
pcie_cap_exit(pci_dev);
igb_cleanup_msix(s);
msi_uninit(pci_dev);
return;
}
pcie_sriov_pf_init_vf_bar(pci_dev, IGBVF_MMIO_BAR_IDX,
PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH,