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Kernel/PCI: Break early of controller iteration over devices in OOM case

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This is mainly useful when adding an HostController but due to OOM
condition, we abort temporary Vector insertion of a DeviceIdentifier
and then exit the iteration loop to report back the error if occured.
This commit is contained in:
Liav A 2022-02-04 22:11:50 +02:00 • committed by Andreas Kling
parent 3fb289e27d
commit 428d4ae337
5 changed files with 18 additions and 13 deletions
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8
Kernel/Bus/PCI/Controller/HostBridge.h
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@ -31,7 +31,7 @@ protected:
explicit HostBridge(PCI::Domain const&);
private:
virtual void enumerate_attached_devices(Function<void(DeviceIdentifier)> callback) override;
virtual void enumerate_attached_devices(Function<IterationDecision(DeviceIdentifier)> callback) override;
Bitmap m_enumerated_buses;
@ -41,9 +41,9 @@ private:
Optional<u8> get_capabilities_pointer_for_function(BusNumber, DeviceNumber, FunctionNumber);
Vector<Capability> get_capabilities_for_function(BusNumber, DeviceNumber, FunctionNumber);
void enumerate_bus(Function<void(DeviceIdentifier)> const& callback, BusNumber, bool recursive);
void enumerate_functions(Function<void(DeviceIdentifier)> const& callback, BusNumber, DeviceNumber, FunctionNumber, bool recursive);
void enumerate_device(Function<void(DeviceIdentifier)> const& callback, BusNumber bus, DeviceNumber device, bool recursive);
void enumerate_bus(Function<IterationDecision(DeviceIdentifier)> const& callback, BusNumber, bool recursive);
void enumerate_functions(Function<IterationDecision(DeviceIdentifier)> const& callback, BusNumber, DeviceNumber, FunctionNumber, bool recursive);
void enumerate_device(Function<IterationDecision(DeviceIdentifier)> const& callback, BusNumber bus, DeviceNumber device, bool recursive);
};
}