X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=cds%2Fintrusive%2Fmichael_list_nogc.h;fp=cds%2Fintrusive%2Fmichael_list_nogc.h;h=06ac410dc43773c70ad554508666be8eae4d80e3;hb=8a05c794447f5898d8451f09c60e12dd8501fdb3;hp=de48a4bf4fb09acf3b4c431e38bac3000fadf3d5;hpb=bb641a5d82c58bba864e40debdcd2c9fff201d15;p=libcds.git

diff --git a/cds/intrusive/michael_list_nogc.h b/cds/intrusive/michael_list_nogc.h
index de48a4bf..06ac410d 100644
--- a/cds/intrusive/michael_list_nogc.h
+++ b/cds/intrusive/michael_list_nogc.h
@@ -154,7 +154,11 @@ namespace cds { namespace intrusive {
             link_checker::is_empty( pNode );
 
             pNode->m_pNext.store( pos.pCur, memory_model::memory_order_relaxed );
-            return pos.pPrev->compare_exchange_strong( pos.pCur, pNode, memory_model::memory_order_release, atomics::memory_order_relaxed );
+            if ( pos.pPrev->compare_exchange_strong( pos.pCur, pNode, memory_model::memory_order_release, atomics::memory_order_relaxed ))
+                return true;
+
+            pNode->m_pNext.store( nullptr, memory_model::memory_order_relaxed );
+            return false;
         }
         //@endcond