34 lines
1.5 KiB
Diff
34 lines
1.5 KiB
Diff
# HG changeset 15389 patch
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# User kfraser@localhost.localdomain
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# Date 1182343102 -3600
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# Node ID 07be0266f6d88f2a8343b54f36301f3adac88d18
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# Parent 50358c4b37f4fcaac1061f1c84a865932401c1be
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32-on-64: Fix error path from memory_op() hypercall.
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Signed-off-by: Keir Fraser <keir@xensource.com>
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Index: 2007-05-14/xen/common/compat/memory.c
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===================================================================
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--- 2007-05-14.orig/xen/common/compat/memory.c 2007-04-23 10:01:43.000000000 +0200
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+++ 2007-05-14/xen/common/compat/memory.c 2007-07-02 10:48:06.000000000 +0200
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@@ -258,7 +258,8 @@ int compat_memory_op(unsigned int cmd, X
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compat_pfn_t pfn = nat.rsrv->extent_start.p[start_extent];
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BUG_ON(pfn != nat.rsrv->extent_start.p[start_extent]);
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- if ( __copy_to_compat_offset(cmp.rsrv.extent_start, start_extent, &pfn, 1) )
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+ if ( __copy_to_compat_offset(cmp.rsrv.extent_start,
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+ start_extent, &pfn, 1) )
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{
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if ( split >= 0 )
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{
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@@ -275,6 +276,10 @@ int compat_memory_op(unsigned int cmd, X
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break;
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}
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}
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+
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+ /* Bail if there was an error. */
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+ if ( (split >= 0) && (end_extent != nat.rsrv->nr_extents) )
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+ split = 0;
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}
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else
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start_extent = end_extent;
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