ReqSendWhileSpinlock rule (kmdf)
The ReqSendWhileSpinlock rule specifies that no requests are sent while the driver holds a spinlock.
If the driver sends any requests while it holds a spinlock, it could cause a deadlock or clash with the lower driver that receives the requests, if the lower driver also attempts to acquire a lock or access shared resources.
Driver model: KMDF
How to test
| At compile time |
|---|
Run Static Driver Verifier and specify the ReqSendWhileSpinlock rule. Use the following steps to run an analysis of your code:
For more information, see Using Static Driver Verifier to Find Defects in Drivers. |
Applies to
WdfRequestSend WdfSpinLockAcquire WdfSpinLockRelease KeAcquireSpinLock KeReleaseSpinLock
See also
Completing I/O Requests Synchronizing Cancel and Completion Code
Feedback
Coming soon: Throughout 2024 we will be phasing out GitHub Issues as the feedback mechanism for content and replacing it with a new feedback system. For more information see: https://aka.ms/ContentUserFeedback.
Submit and view feedback for