1 files changed, 9 insertions, 5 deletions
diff --git a/layout/printing/nsPrintEngine.cpp b/layout/printing/nsPrintEngine.cpp
index f2db53250..0c455f563 100644
--- a/layout/printing/nsPrintEngine.cpp
+++ b/layout/printing/nsPrintEngine.cpp
@@ -2449,13 +2449,17 @@ CloneRangeToSelection(nsRange* aRange, nsIDocument* aDoc,
   NS_ENSURE_TRUE_VOID(newStart && newEnd);
 
   nsCOMPtr<nsINode> newStartNode = do_QueryInterface(newStart);
-  NS_ENSURE_TRUE_VOID(newStartNode);
+  nsCOMPtr<nsINode> newEndNode = do_QueryInterface(newEnd);
+  if (NS_WARN_IF(!newStartNode) || NS_WARN_IF(!newEndNode)) {
+    return;
+  }
 
   RefPtr<nsRange> range = new nsRange(newStartNode);
-  nsresult rv = range->SetStart(newStartNode, startOffset);
-  NS_ENSURE_SUCCESS_VOID(rv);
-  rv = range->SetEnd(newEnd, endOffset);
-  NS_ENSURE_SUCCESS_VOID(rv);
+  nsresult rv =
+    range->SetStartAndEnd(newStartNode, startOffset, newEndNode, endOffset);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return;
+  }
 
   aSelection->AddRange(range);
 }