1 files changed, 1 insertions, 3 deletions

diff --git a/arch/i386/oprofile/nmi_timer_int.c b/arch/i386/oprofile/nmi_timer_int.c
index 930a1127bb30..a33a73bb502d 100644
--- a/arch/i386/oprofile/nmi_timer_int.c
+++ b/arch/i386/oprofile/nmi_timer_int.c
@@ -42,9 +42,7 @@ static void timer_stop(void)
 
 int __init op_nmi_timer_init(struct oprofile_operations * ops)
 {
-        extern int nmi_active;
-
-        if (nmi_active <= 0)
+        if (atomic_read(&nmi_active) <= 0)
                 return -ENODEV;
 
         ops->start = timer_start;