[PATCH 1/3] xen: off by one error in xen/setup.c

[Igor Mammedov]

Do not try to initialize pfn beyond of available address space.

Signed-off-by: Igor Mammedov <imammedo@xxxxxxxxxx>
---
 arch/x86/xen/setup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 60aeeb5..2221b05 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -69,7 +69,7 @@ static void __init xen_add_extra_mem(unsigned long pages)
 
 	xen_max_p2m_pfn = PFN_DOWN(extra_start + size);
 
-	for (pfn = PFN_DOWN(extra_start); pfn <= xen_max_p2m_pfn; pfn++)
+	for (pfn = PFN_DOWN(extra_start); pfn < xen_max_p2m_pfn; ++pfn)
 		__set_phys_to_machine(pfn, INVALID_P2M_ENTRY);
 }
 
-- 
1.7.5

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