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[SACDRV] Fix uninitialized variable usage.
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@ -153,27 +153,29 @@ FreeDeviceData(IN PDEVICE_OBJECT DeviceObject)
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/* Get the device extension and see how far we had gotten */
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DeviceExtension = (PSAC_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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if ((GlobalDataInitialized) && (DeviceExtension->Initialized))
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if (!(GlobalDataInitialized) || !(DeviceExtension->Initialized))
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{
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/* Attempt to rundown while holding the lock */
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goto Exit;
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}
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/* Attempt to rundown while holding the lock */
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KeAcquireSpinLock(&DeviceExtension->Lock, &OldIrql);
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while (DeviceExtension->RundownInProgress)
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{
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SAC_DBG(SAC_DBG_ENTRY_EXIT, "SAC FreeDeviceData: Waiting....\n");
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/* Initiate and wait for rundown */
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KeInitializeEvent(&DeviceExtension->RundownEvent, SynchronizationEvent, 0);
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KeReleaseSpinLock(&DeviceExtension->Lock, OldIrql);
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Status = KeWaitForSingleObject(&DeviceExtension->RundownEvent,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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ASSERT(Status == STATUS_SUCCESS);
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/* Re-acquire the lock and check if rundown is done */
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KeAcquireSpinLock(&DeviceExtension->Lock, &OldIrql);
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while (DeviceExtension->RundownInProgress)
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{
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SAC_DBG(SAC_DBG_ENTRY_EXIT, "SAC FreeDeviceData: Waiting....\n");
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/* Initiate and wait for rundown */
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KeInitializeEvent(&DeviceExtension->RundownEvent, SynchronizationEvent, 0);
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KeReleaseSpinLock(&DeviceExtension->Lock, OldIrql);
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Status = KeWaitForSingleObject(&DeviceExtension->RundownEvent,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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ASSERT(Status == STATUS_SUCCESS);
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/* Re-acquire the lock and check if rundown is done */
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KeAcquireSpinLock(&DeviceExtension->Lock, &OldIrql);
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}
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}
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/* Now set the rundown flag while we cancel the timer */
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@ -205,6 +207,7 @@ FreeDeviceData(IN PDEVICE_OBJECT DeviceObject)
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KeAcquireSpinLock(&DeviceExtension->Lock, &OldIrql);
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DeviceExtension->Initialized = FALSE;
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KeReleaseSpinLock(&DeviceExtension->Lock, OldIrql);
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Exit:
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SAC_DBG(SAC_DBG_ENTRY_EXIT, "SAC FreeDeviceData: Exiting.\n");
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}
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@ -74,6 +74,7 @@
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{ \
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if (!VerifyEventWaitable(Attributes->x, &Object, &WaitObject)) \
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{ \
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Status = STATUS_INVALID_HANDLE; \
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goto FailChannel; \
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} \
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Channel->x = Attributes->x; \
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