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    Subject[PATCH 9/9] xen/p2m/debugfs: Fix potential pointer exception.
    Date
    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@oracle.com>
    ---
    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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