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xen/p2m/debugfs: Fix potential pointer exception. 

We could be referencing the last + 1 element of level_name[]
array which would cause a pointer exception, because of the
initial setup of lvl=4.

[v1: No need to do this for type_name, pointed out by Ian Campbell]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
hifive-unleashed-5.1
Konrad Rzeszutek Wilk 2011-09-29 13:09:34 -04:00
parent 5e28783013
commit 8404877ee1
1 changed files with 1 additions and 1 deletions
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arch/x86/xen/p2m.c
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@ -786,7 +786,7 @@ 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", "error"};
static const char * const type_name[] = { "identity", "missing",
"pfn", "abnormal"};
#define TYPE_IDENTITY 0