[tfaber] 71883: [NTOS:CC] - Raise exceptions on failure in CcMapData if RAISE_FROM_CC_MAP_DATA is defined. This is how the function should behave, and should be enabled once all our file system dri...

Author: tfaber
Date: Sun Jul 10 14:46:37 2016
New Revision: 71883

URL: http://svn.reactos.org/svn/reactos?rev=71883&view=rev
Log:
[NTOS:CC]
- Raise exceptions on failure in CcMapData if RAISE_FROM_CC_MAP_DATA is defined. This is how the function should behave, and should be enabled once all our file system drivers correctly handle this.
CORE-9848

Modified:
    trunk/reactos/ntoskrnl/cc/pin.c

Modified: trunk/reactos/ntoskrnl/cc/pin.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cc/pin.c?rev=71883...
==============================================================================
--- trunk/reactos/ntoskrnl/cc/pin.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cc/pin.c	[iso-8859-1] Sun Jul 10 14:46:37 2016
@@ -16,6 +16,8 @@

/* GLOBALS *******************************************************************/

+//#define RAISE_FROM_CC_MAP_DATA
+
 extern NPAGED_LOOKASIDE_LIST iBcbLookasideList;

/* FUNCTIONS *****************************************************************/
@@ -62,7 +64,11 @@
     {
         CCTRACE(CC_API_DEBUG, "FileObject=%p FileOffset=%p Length=%lu Flags=0x%lx -> FALSE\n",
             FileObject, FileOffset, Length, Flags);
+#ifdef RAISE_FROM_CC_MAP_DATA
+        ExRaiseStatus(STATUS_INVALID_PARAMETER);
+#else
         return FALSE;
+#endif
     }

ROffset = ROUND_DOWN(ReadOffset, VACB_MAPPING_GRANULARITY);
@@ -75,7 +81,11 @@
     {
         CCTRACE(CC_API_DEBUG, "FileObject=%p FileOffset=%p Length=%lu Flags=0x%lx -> FALSE\n",
             FileObject, FileOffset, Length, Flags);
+#ifdef RAISE_FROM_CC_MAP_DATA
+        ExRaiseStatus(Status);
+#else
         return FALSE;
+#endif
     }

if (!Valid)
@@ -88,12 +98,17 @@
             return FALSE;
         }

-        if (!NT_SUCCESS(CcReadVirtualAddress(Vacb)))
+        Status = CcReadVirtualAddress(Vacb);
+        if (!NT_SUCCESS(Status))
         {
             CcRosReleaseVacb(SharedCacheMap, Vacb, FALSE, FALSE, FALSE);
             CCTRACE(CC_API_DEBUG, "FileObject=%p FileOffset=%p Length=%lu Flags=0x%lx -> FALSE\n",
                 FileObject, FileOffset, Length, Flags);
+#ifdef RAISE_FROM_CC_MAP_DATA
+            ExRaiseStatus(Status);
+#else
             return FALSE;
+#endif
         }
     }

@@ -104,7 +119,11 @@
         CcRosReleaseVacb(SharedCacheMap, Vacb, TRUE, FALSE, FALSE);
         CCTRACE(CC_API_DEBUG, "FileObject=%p FileOffset=%p Length=%lu Flags=0x%lx -> FALSE\n",
             FileObject, FileOffset, Length, Flags);
+#ifdef RAISE_FROM_CC_MAP_DATA
+        ExRaiseStatus(STATUS_INSUFFICIENT_RESOURCES);
+#else
         return FALSE;
+#endif
     }

RtlZeroMemory(iBcb, sizeof(*iBcb));