check fileObject before calling CcFlushCache

git-svn-id: http://dokan.googlecode.com/svn/trunk@116 53ea604a-054e-0410-8546-456bafaea6b0
zy26 · Mar 22, 2010 · 58b8a40 · 58b8a40
1 parent 9330a4e
commit 58b8a40
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/sys/cleanup.c b/sys/cleanup.c
@@ -96,9 +96,12 @@ Return Value:
 			__leave;
 		}
 
-		CcFlushCache(&fcb->SectionObjectPointers, NULL, 0, NULL);
-		CcPurgeCacheSection(&fcb->SectionObjectPointers, NULL, 0, FALSE);
-		CcUninitializeCacheMap(fileObject, NULL, NULL);
+		if (fileObject->SectionObjectPointer != NULL &&
+			fileObject->SectionObjectPointer->DataSectionObject != NULL) {
+			CcFlushCache(&fcb->SectionObjectPointers, NULL, 0, NULL);
+			CcPurgeCacheSection(&fcb->SectionObjectPointers, NULL, 0, FALSE);
+			CcUninitializeCacheMap(fileObject, NULL, NULL);
+		}
 		fileObject->Flags |= FO_CLEANUP_COMPLETE;
 
 		eventContext->Context = ccb->UserContext;

diff --git a/sys/public.h b/sys/public.h
@@ -24,7 +24,7 @@ with this program. If not, see <http://www.gnu.org/licenses/>.
 
 #include "devioctl.h"
 
-#define DOKAN_VERSION	0x0000185
+#define DOKAN_VERSION	0x0000186
 
 #define EVENT_CONTEXT_MAX_SIZE		(1024*32)