[PATCH 9/9] xen/p2m/debugfs: Fix potential pointer exception.
From: Konrad Rzeszutek Wilk
Date: Thu Sep 29 2011 - 15:53:19 EST
We could be referencing the last + 1 element of level_name[]
array which would cause a pointer exception.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
arch/x86/xen/p2m.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 58efeb9..bc4cf0a 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -786,9 +786,9 @@ EXPORT_SYMBOL_GPL(m2p_find_override_pfn);
int p2m_dump_show(struct seq_file *m, void *v)
{
static const char * const level_name[] = { "top", "middle",
- "entry", "abnormal" };
+ "entry", "abnormal", NULL};
static const char * const type_name[] = { "identity", "missing",
- "pfn", "abnormal"};
+ "pfn", "abnormal", NULL};
#define TYPE_IDENTITY 0
#define TYPE_MISSING 1
#define TYPE_PFN 2
--
1.7.4.1
--
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