bufmgr: check gBufmgr with bufmgr in TBM_BUFMGR_IS_VALID macro

Change-Id: I7be9af40c2b2e499e56ce232f42d00d31e31364f

diff --git a/src/tbm_bufmgr_int.h b/src/tbm_bufmgr_int.h
index d940449..3c191b8 100644 (file)
--- a/src/tbm_bufmgr_int.h
+++ b/src/tbm_bufmgr_int.h
@@ -187,7 +187,7 @@ extern int bDlog;
 }
 
 /* check validation */
-#define TBM_BUFMGR_IS_VALID(mgr) (mgr)
+#define TBM_BUFMGR_IS_VALID(mgr) (mgr && mgr == gBufMgr)
 #define TBM_BO_IS_VALID(bo) (bo && \
                            TBM_BUFMGR_IS_VALID(bo->bufmgr) && \
                            bo->item_link.next && \