This patch is to fix a bug when assigning a SATA CDROM, DISK to a guest, IO read and write error.
Signed-off-by: Li Zhang <li.zhang@intel.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
diff -r 39cb0de3ee2f xen/arch/x86/hvm/io.c
--- a/xen/arch/x86/hvm/io.c	Tue Jul 29 17:00:29 2008 +0100
+++ b/xen/arch/x86/hvm/io.c	Fri Aug 01 14:10:28 2008 +0800
@@ -284,7 +284,7 @@
         data = p->data;
         if ( p->data_is_ptr )
             (void)hvm_copy_from_guest_phys(
-                &data, p->data + (sign * i & p->size), p->size);
+                &data, p->data + (sign * i * p->size), p->size);
 
         switch ( p->size )
         {