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KsDeviceMutex rule ()

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The KsDeviceMutex rule specifies that a kernel streaming miniport driver uses KsAcquireDevice and KsReleaseDevice in the correct sequence. That is, every call to KsAcquireDevice must have a corresponding call to KsReleaseDevice.

Driver model: KS

Bug check(s) found with this rule: Bug Check 0xC4: DRIVER_VERIFIER_DETECTED_VIOLATION (0x00081001)

How to test

At run time

To verify this rule, open a Command Prompt window. Enter a Driver Verifier command and specify /domain ks.

For example:

verifier /domain ks [options] /driver <yourdriver>

For more information, see Driver Verifier.