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From: Igor Mammedov <imammedo@redhat.com>
To: linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] xen: off by one error in xen/setup.c
Date: Tue,  2 Aug 2011 11:45:23 +0200	[thread overview]
Message-ID: <1312278325-4246-2-git-send-email-imammedo@redhat.com> (raw)
In-Reply-To: <1312278325-4246-1-git-send-email-imammedo@redhat.com>

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

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 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


  reply	other threads:[~2011-08-02  9:46 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-02  9:45 [PATCH 0/3] xen: small fixes and cleanups at arch/x86/xen/setup.c Igor Mammedov
2011-08-02  9:45 ` Igor Mammedov [this message]
2011-08-02 17:07   ` [PATCH 1/3] xen: off by one error in xen/setup.c Konrad Rzeszutek Wilk
2011-08-03  5:33     ` Igor Mammedov
2011-08-03  6:23       ` Jesper Juhl
2011-08-03  6:31         ` Igor Mammedov
2011-08-09 16:55   ` Konrad Rzeszutek Wilk
2011-08-02  9:45 ` [PATCH 2/3] xen: Fix printk() format " Igor Mammedov
2011-08-02  9:45 ` [PATCH 3/3] xen: Fix misleading WARN message at xen_release_chunk Igor Mammedov

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