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Kernel/PCI: Don't create /proc/pci if PCI is disabled
Reading from /proc/pci assumes we have PCI enabled and also enumerated. However, if PCI is disabled for some reason, we can't allow the user to read from it as there's no valuable data we can supply.
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2272d93215
commit
b849e4f907
3 changed files with 15 additions and 1 deletions
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@ -9,6 +9,7 @@
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#include <Kernel/Arch/x86/InterruptDisabler.h>
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#include <Kernel/Arch/x86/ProcessorInfo.h>
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#include <Kernel/Bus/PCI/API.h>
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#include <Kernel/Bus/PCI/Access.h>
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#include <Kernel/CommandLine.h>
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#include <Kernel/Devices/DeviceManagement.h>
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#include <Kernel/Devices/HID/HIDManagement.h>
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@ -949,6 +950,11 @@ UNMAP_AFTER_INIT ProcFSSystemDirectory::ProcFSSystemDirectory(const ProcFSRootDi
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{
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}
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UNMAP_AFTER_INIT void ProcFSRootDirectory::add_pci_node(Badge<PCI::Access>)
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{
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m_components.append(ProcFSPCI::must_create());
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}
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UNMAP_AFTER_INIT NonnullRefPtr<ProcFSRootDirectory> ProcFSRootDirectory::must_create()
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{
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auto directory = adopt_ref(*new (nothrow) ProcFSRootDirectory);
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@ -961,7 +967,6 @@ UNMAP_AFTER_INIT NonnullRefPtr<ProcFSRootDirectory> ProcFSRootDirectory::must_cr
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directory->m_components.append(ProcFSDmesg::must_create());
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directory->m_components.append(ProcFSInterrupts::must_create());
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directory->m_components.append(ProcFSKeymap::must_create());
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directory->m_components.append(ProcFSPCI::must_create());
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directory->m_components.append(ProcFSDevices::must_create());
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directory->m_components.append(ProcFSUptime::must_create());
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directory->m_components.append(ProcFSCommandLine::must_create());
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