Bug 1305791 - Clear result.mSegments if MoveFallible failed. r=billm

MozReview-Commit-ID: 8UaGt1OEfhh
iaxat · Sep 30, 2016 · a85c5f1 · a85c5f1
1 parent 64d3540
commit a85c5f1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mfbt/BufferList.h b/mfbt/BufferList.h
@@ -397,6 +397,7 @@ BufferList<AllocPolicy>::MoveFallible(bool* aSuccess, OtherAllocPolicy aAP)
 
     if (!toAdvance || !result.mSegments.append(typename BufferList<OtherAllocPolicy>::Segment(iter.mData, toAdvance, toAdvance))) {
       *aSuccess = false;
+      result.mSegments.clear();
       return result;
     }
     iter.Advance(*this, toAdvance);