[Xen-changelog] Pre-decrement rather than post-decrement in shadow32.c.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 8b5c047f6e23c8e9dea7a84187b284b18bd44250
# Parent  379921f2259d2d87b55ab20a7102a44d11c3d323
Pre-decrement rather than post-decrement in shadow32.c.
Already fixed in shadow.c.

Signed-off-by: Xiaofeng Ling <xiaofeng.ling@xxxxxxxxx>

diff -r 379921f2259d -r 8b5c047f6e23 xen/arch/x86/shadow32.c
--- a/xen/arch/x86/shadow32.c   Tue Dec  6 11:46:43 2005
+++ b/xen/arch/x86/shadow32.c   Tue Dec  6 11:49:05 2005
@@ -2203,7 +2203,7 @@
     }
     
     if ( shadow_mode_external(d) ) {
-        if (write_refs-- == 0) 
+        if (--write_refs == 0) 
             return 0;
 
          // Use the back pointer to locate the shadow page that can contain

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