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 <[email protected]>
shanewfx · Oct 19, 2011 · 8404877 · 8404877
1 parent 5e28783
commit 8404877
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
@@ -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