From 3806aa34de0ed516b6d8e42d571b718e14373402 Mon Sep 17 00:00:00 2001
From: Enrico Guiraud <enrico.guiraud@cern.ch>
Date: Thu, 22 Jun 2017 11:56:40 +0200
Subject: [PATCH] [TDF] Fix jitting in the empty source case (#2)

---
 tree/treeplayer/inc/ROOT/TDFInterface.hxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tree/treeplayer/inc/ROOT/TDFInterface.hxx b/tree/treeplayer/inc/ROOT/TDFInterface.hxx
index 13acd001666d6..9f510396c4867 100644
--- a/tree/treeplayer/inc/ROOT/TDFInterface.hxx
+++ b/tree/treeplayer/inc/ROOT/TDFInterface.hxx
@@ -241,7 +241,7 @@ public:
    {
       auto df = GetDataFrameChecked();
       auto tree = df->GetTree();
-      auto branches = tree->GetListOfBranches();
+      auto branches = tree ? tree->GetListOfBranches() : nullptr;
       auto tmpBranches = fProxiedPtr->GetTmpBranches();
       auto tmpBookedBranches = df->GetBookedBranches();
       const std::string expressionInt(expression);