msi_init may fail, so we need to check on uninit if the cap was
actually installed. This also avoids that the users need to check.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
struct AHCIPCIState *d;
d = DO_UPCAST(struct AHCIPCIState, card, dev);
- if (msi_enabled(dev)) {
- msi_uninit(dev);
- }
-
+ msi_uninit(dev);
qemu_unregister_reset(ahci_reset, d);
ahci_uninit(&d->ahci);
{
IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
- if (d->msi) {
- msi_uninit(&d->pci);
- }
+ msi_uninit(&d->pci);
cpu_unregister_io_memory(d->mmio_addr);
return 0;
}
void msi_uninit(struct PCIDevice *dev)
{
- uint16_t flags = pci_get_word(dev->config + msi_flags_off(dev));
- uint8_t cap_size = msi_cap_sizeof(flags);
+ uint16_t flags;
+ uint8_t cap_size;
+
+ if (!(dev->cap_present & QEMU_PCI_CAP_MSI)) {
+ return;
+ }
+ flags = pci_get_word(dev->config + msi_flags_off(dev));
+ cap_size = msi_cap_sizeof(flags);
pci_del_capability(dev, PCI_CAP_ID_MSIX, cap_size);
+ dev->cap_present &= ~QEMU_PCI_CAP_MSI;
+
MSI_DEV_PRINTF(dev, "uninit\n");
}