36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
Index: linuxPci.c
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===================================================================
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--- linuxPci.c.orig
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+++ linuxPci.c
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@@ -274,7 +274,7 @@ get_parent_bridge(struct pci_device *dev
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struct pci_id_match bridge_match = {
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PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
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(PCI_CLASS_BRIDGE << 16) | (PCI_SUBCLASS_BRIDGE_PCI << 8),
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- 0
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+ (PCI_CLASS_BRIDGE << 16) | (PCI_SUBCLASS_BRIDGE_PCI << 8)
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};
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struct pci_device *bridge;
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struct pci_device_iterator *iter;
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@@ -512,7 +512,6 @@ IOADDRESS
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xf86MapLegacyIO(struct pci_device *dev)
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{
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const int domain = dev->domain;
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- struct pci_device *bridge = get_parent_bridge(dev);
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int fd;
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if (domain >= MAX_DOMAINS)
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@@ -520,9 +519,11 @@ xf86MapLegacyIO(struct pci_device *dev)
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if (DomainMmappedIO[domain] == NULL) {
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/* Permanently map all of I/O space */
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- fd = linuxOpenLegacy(bridge, "legacy_io");
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+ fd = linuxOpenLegacy(dev, "legacy_io");
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if (fd < 0) {
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- DomainMmappedIO[domain] = linuxMapPci(-1, VIDMEM_MMIO, bridge,
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+ struct pci_device *bridge = get_parent_bridge(dev);
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+ if (bridge != NULL)
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+ DomainMmappedIO[domain] = linuxMapPci(-1, VIDMEM_MMIO, bridge,
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0, linuxGetIOSize(bridge),
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PCIIOC_MMAP_IS_IO);
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}
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