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[CDFS]
- Fix infinite loop of verification and read attempts when a disc change occurs on VMware while ROS is running svn path=/trunk/; revision=54750
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@ -49,6 +49,7 @@ CdfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
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KEVENT Event;
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KEVENT Event;
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PIRP Irp;
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PIRP Irp;
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NTSTATUS Status;
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NTSTATUS Status;
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BOOLEAN LastChance = FALSE;
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again:
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again:
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KeInitializeEvent(&Event,
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KeInitializeEvent(&Event,
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@ -104,18 +105,26 @@ again:
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{
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{
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PDEVICE_OBJECT DeviceToVerify;
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PDEVICE_OBJECT DeviceToVerify;
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DPRINT1("STATUS_VERIFY_REQUIRED\n");
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DeviceToVerify = IoGetDeviceToVerify(PsGetCurrentThread());
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DeviceToVerify = IoGetDeviceToVerify(PsGetCurrentThread());
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IoSetDeviceToVerify(PsGetCurrentThread(), NULL);
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IoSetDeviceToVerify(PsGetCurrentThread(), NULL);
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Status = IoVerifyVolume(DeviceToVerify, FALSE);
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Status = IoVerifyVolume(DeviceToVerify, FALSE);
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DPRINT1("IoVerifyVolume() returned (Status %lx)\n", Status);
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if (NT_SUCCESS(Status))
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if (NT_SUCCESS(Status) && !LastChance)
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{
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{
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DPRINT1("Volume verify succeeded; trying request again\n");
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DPRINT("Volume verify succeeded; trying request again\n");
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LastChance = TRUE;
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goto again;
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goto again;
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}
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}
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else if (NT_SUCCESS(Status))
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{
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DPRINT1("Failed to read after successful verify, aborting\n");
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Status = STATUS_DEVICE_NOT_READY;
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}
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else
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{
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DPRINT1("IoVerifyVolume() failed (Status %lx)\n", Status);
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}
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}
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}
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DPRINT("CdfsReadSectors() failed (Status %x)\n", Status);
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DPRINT("CdfsReadSectors() failed (Status %x)\n", Status);
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