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Subject[51/74] oprofile/x86: fix crash when profiling more than 28 events
2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>

commit d8cc108f4fab42b380c6b3f3356f99e8dd5372e2 upstream.

With multiplexing enabled oprofile crashs when profiling more than 28
events. This patch fixes this.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
arch/x86/oprofile/nmi_int.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -222,7 +222,7 @@ static void nmi_cpu_switch(void *dummy)

/* move to next set */
si += model->num_counters;
- if ((si > model->num_virt_counters) || (counter_config[si].count == 0))
+ if ((si >= model->num_virt_counters) || (counter_config[si].count == 0))
per_cpu(switch_index, cpu) = 0;
else
per_cpu(switch_index, cpu) = si;



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