[ros-bugs] [Bug 4428] New: [PATCH] Fix bugcheck in NdisMFreeSharedMemory (happend with 3Com 3C905 TX-M)

[ReactOS.Bugzilla at www.reactos.org]

http://www.reactos.org/bugzilla/show_bug.cgi?id=4428

           Summary: [PATCH] Fix bugcheck in NdisMFreeSharedMemory (happend
                    with 3Com 3C905 TX-M)
           Product: ReactOS
           Version: TRUNK
          Platform: x86 Hardware
        OS/Version: ReactOS
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: Networking
        AssignedTo: ros-bugs at reactos.org
        ReportedBy: netzimme at aim.com
         QAContact: ros-bugs at reactos.org


The call to NdisMFreeSharedMemory span a thread witch access 
Memory->AdapterObject in NdisMFreeSharedMemoryPassive().
But the driver call at next the function NdisMFreeMapRegisters.
In this function Adapter->NdisMiniportBlock.SystemAdapterObject 
is freed so the the memory at Memory->AdapterObject is no
longer valid. 

This patch call NdisMFreeSharedMemoryPassive direct when 
IRQL=PASSIV_LEVEL so that we not need a thread.

Perhapse ther is a better solution but it work on real hardware with
3C905 TX M.


Daniel Zimmermann


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