Windows: Protect all Mm and Cc calls with try..except

[openafs.git] / src / WINNT / afsrdr / kernel / lib / AFSLockControl.cpp

diff --git a/src/WINNT/afsrdr/kernel/lib/AFSLockControl.cpp b/src/WINNT/afsrdr/kernel/lib/AFSLockControl.cpp
index b2298cf..3354bdc 100644 (file)
--- a/src/WINNT/afsrdr/kernel/lib/AFSLockControl.cpp
+++ b/src/WINNT/afsrdr/kernel/lib/AFSLockControl.cpp
@@ -177,10 +177,28 @@ AFSLockControl( IN PDEVICE_OBJECT LibDeviceObject,
                 AFSAcquireShared( &pFcb->NPFcb->SectionObjectResource,
                                   TRUE);
 
-                CcFlushCache( &pFcb->NPFcb->SectionObjectPointers,
-                              NULL,
-                              0,
-                              &stIoStatus);
+               __try
+               {
+
+                   CcFlushCache( &pFcb->NPFcb->SectionObjectPointers,
+                                 NULL,
+                                 0,
+                                 &stIoStatus);
+               }
+               __except( EXCEPTION_EXECUTE_HANDLER)
+               {
+
+                   ntStatus = GetExceptionCode();
+
+                   AFSDbgTrace(( 0,
+                                 0,
+                                 "EXCEPTION - AFSLockControl CcFlushCache failed FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                                 pFcb->ObjectInformation->FileId.Cell,
+                                 pFcb->ObjectInformation->FileId.Volume,
+                                 pFcb->ObjectInformation->FileId.Vnode,
+                                 pFcb->ObjectInformation->FileId.Unique,
+                                 ntStatus));
+               }
 
                 if( !NT_SUCCESS( stIoStatus.Status))
                 {
@@ -244,10 +262,29 @@ AFSLockControl( IN PDEVICE_OBJECT LibDeviceObject,
 
                 AFSAcquireShared( &pFcb->NPFcb->SectionObjectResource,
                                   TRUE);
-                CcFlushCache( &pFcb->NPFcb->SectionObjectPointers,
-                              &pIrpSp->Parameters.LockControl.ByteOffset,
-                              pIrpSp->Parameters.LockControl.Length->LowPart,
-                              &stIoStatus);
+
+               __try
+               {
+
+                   CcFlushCache( &pFcb->NPFcb->SectionObjectPointers,
+                                 &pIrpSp->Parameters.LockControl.ByteOffset,
+                                 pIrpSp->Parameters.LockControl.Length->LowPart,
+                                 &stIoStatus);
+               }
+               __except( EXCEPTION_EXECUTE_HANDLER)
+               {
+
+                   ntStatus = GetExceptionCode();
+
+                   AFSDbgTrace(( 0,
+                                 0,
+                                 "EXCEPTION - AFSLockControl CcFlushCache failed FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                                 pFcb->ObjectInformation->FileId.Cell,
+                                 pFcb->ObjectInformation->FileId.Volume,
+                                 pFcb->ObjectInformation->FileId.Vnode,
+                                 pFcb->ObjectInformation->FileId.Unique,
+                                 ntStatus));
+               }
 
                 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
                               AFS_TRACE_LEVEL_VERBOSE,