percpu_counter: unbreak __percpu_counter_add()

[platform/adaptation/renesas_rcar/renesas_kernel.git] / lib / percpu_counter.c

diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 1da85bb..8280a5d 100644 (file)
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -82,7 +82,7 @@ void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch)
                unsigned long flags;
                raw_spin_lock_irqsave(&fbc->lock, flags);
                fbc->count += count;
-                __this_cpu_sub(*fbc->counters, count);
+               __this_cpu_sub(*fbc->counters, count - amount);
                raw_spin_unlock_irqrestore(&fbc->lock, flags);
        } else {
                this_cpu_add(*fbc->counters, amount);