diff options
Diffstat (limited to 'pci.c')
| -rw-r--r-- | pci.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -119,6 +119,9 @@ static bool pci_config_data_out(struct ioport *ioport, struct kvm_cpu *vcpu, u16 { union pci_config_address pci_config_address; + if (size > 4) + size = 4; + pci_config_address.w = ioport__read32(&pci_config_address_bits); /* * If someone accesses PCI configuration space offsets that are not @@ -135,6 +138,9 @@ static bool pci_config_data_in(struct ioport *ioport, struct kvm_cpu *vcpu, u16 { union pci_config_address pci_config_address; + if (size > 4) + size = 4; + pci_config_address.w = ioport__read32(&pci_config_address_bits); /* * If someone accesses PCI configuration space offsets that are not @@ -248,6 +254,9 @@ static void pci_config_mmio_access(struct kvm_cpu *vcpu, u64 addr, u8 *data, cfg_addr.w = (u32)addr; cfg_addr.enable_bit = 1; + if (len > 4) + len = 4; + if (is_write) pci__config_wr(kvm, cfg_addr, data, len); else |