* lib/csv.rb (CSV.open): Close the opened file when an exception occur.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46224 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/csv.rb b/lib/csv.rb
index 595586a541..e1199185f9 100644
--- a/lib/csv.rb
+++ b/lib/csv.rb
@@ -1260,7 +1260,12 @@ class CSV
       file_opts = {encoding: Encoding.default_external}.merge(file_opts)
       retry
     end
-    csv = new(f, options)
+    begin
+      csv = new(f, options)
+    rescue Exception
+      f.close
+      raise
+    end
 
     # handle blocks like Ruby's open(), not like the CSV library
     if block_given?