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Don't crash if PCI AddDevice is called with a NULL Pdo (happens if pci.sys is considered as a legacy driver)

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svn path=/trunk/; revision=24146
This commit is contained in:
Hervé Poussineau 2006-09-16 20:22:54 +00:00
parent 30f438bb7b
commit 25e2b01535
1 changed files with 2 additions and 0 deletions
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2
reactos/drivers/bus/pci/pci.c
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@ -135,6 +135,8 @@ PciAddDevice(
NTSTATUS Status; NTSTATUS Status;
DPRINT("Called\n"); DPRINT("Called\n");
if (PhysicalDeviceObject == NULL)
return STATUS_SUCCESS;
Status = IoCreateDevice(DriverObject, sizeof(FDO_DEVICE_EXTENSION), Status = IoCreateDevice(DriverObject, sizeof(FDO_DEVICE_EXTENSION),
NULL, FILE_DEVICE_BUS_EXTENDER, FILE_DEVICE_SECURE_OPEN, TRUE, &Fdo); NULL, FILE_DEVICE_BUS_EXTENDER, FILE_DEVICE_SECURE_OPEN, TRUE, &Fdo);