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-rw-r--r--lib/unicorn/app/exec_cgi.rb6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/unicorn/app/exec_cgi.rb b/lib/unicorn/app/exec_cgi.rb
index 4f9216b..2262e4c 100644
--- a/lib/unicorn/app/exec_cgi.rb
+++ b/lib/unicorn/app/exec_cgi.rb
@@ -125,10 +125,10 @@ module Unicorn::App
       else
         tmp = Unicorn::Util.tmpio
 
-        buf = Unicorn::Z.dup
-        while inp.read(CHUNK_SIZE, buf)
+        buf = inp.read(CHUNK_SIZE)
+        begin
           tmp.syswrite(buf)
-        end
+        end while inp.read(CHUNK_SIZE, buf)
         tmp.sysseek(0)
         tmp
       end