From 97d58b95b839b06a060a0f573e88583b7bcaecec Mon Sep 17 00:00:00 2001
From: Rene Brun <Rene.Brun@cern.ch>
Date: Tue, 15 Dec 2009 08:10:40 +0000
Subject: [PATCH] From Philippe: avoid dereferencing a null pointer in
TFile::Write
git-svn-id: http://root.cern.ch/svn/root/trunk@31886 27541ba8-7e3a-0410-8455-c3a389f83636
---
io/io/src/TFile.cxx | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/io/io/src/TFile.cxx b/io/io/src/TFile.cxx
index 23d7fc772d0..4fa171b04ff 100644
--- a/io/io/src/TFile.cxx
+++ b/io/io/src/TFile.cxx
@@ -1886,7 +1886,11 @@ Int_t TFile::Write(const char *, Int_t opt, Int_t bufsiz)
WriteHeader(); // Now write file header
fMustFlush = kTRUE;
- cursav->cd();
+ if (cursav) {
+ cursav->cd();
+ } else {
+ gDirectory = 0;
+ }
return nbytes;
}
--
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