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-rw-r--r--lib/webrick/httputils.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/webrick/httputils.rb b/lib/webrick/httputils.rb
index 6b8704cc7f..78780c4976 100644
--- a/lib/webrick/httputils.rb
+++ b/lib/webrick/httputils.rb
@@ -296,6 +296,7 @@ module WEBrick
def parse_form_data(io, boundary)
boundary_regexp = /\A--#{boundary}(--)?#{CRLF}\z/
form_data = Hash.new
+ return form_data unless io
data = nil
io.each{|line|
if boundary_regexp =~ line