sound: oss/sb_audio: cap value in sb201_audio_set_speed()

[pandora-kernel.git] / kernel / cpu.c

diff --git a/kernel/cpu.c b/kernel/cpu.c
index f560598..42bd331 100644 (file)
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -80,6 +80,10 @@ void put_online_cpus(void)
        if (cpu_hotplug.active_writer == current)
                return;
        mutex_lock(&cpu_hotplug.lock);
+
+       if (WARN_ON(!cpu_hotplug.refcount))
+               cpu_hotplug.refcount++; /* try to fix things up */
+
        if (!--cpu_hotplug.refcount && unlikely(cpu_hotplug.active_writer))
                wake_up_process(cpu_hotplug.active_writer);
        mutex_unlock(&cpu_hotplug.lock);