X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lib%2Fringbuffer%2Fring_buffer_frontend.c;h=8eb59486f808e9f936e3b3ad42512bfd3a58655d;hb=58aa5d24fc1b9bc14fa91a2a9ca8467fb2541fec;hp=6a4c241e84677e3f14f14aee282d0a00a418830a;hpb=71c1d8431c8b94c34332cf2fbdbd7c9dc5f1489a;p=lttng-modules.git

diff --git a/lib/ringbuffer/ring_buffer_frontend.c b/lib/ringbuffer/ring_buffer_frontend.c
index 6a4c241e..8eb59486 100644
--- a/lib/ringbuffer/ring_buffer_frontend.c
+++ b/lib/ringbuffer/ring_buffer_frontend.c
@@ -752,8 +752,8 @@ void *channel_destroy(struct channel *chan)
 	ACCESS_ONCE(chan->finalized) = 1;
 	wake_up_interruptible(&chan->hp_wait);
 	wake_up_interruptible(&chan->read_wait);
-	kref_put(&chan->ref, channel_release);
 	priv = chan->backend.priv;
+	kref_put(&chan->ref, channel_release);
 	return priv;
 }
 EXPORT_SYMBOL_GPL(channel_destroy);
@@ -1702,3 +1702,14 @@ int lib_ring_buffer_reserve_slow(struct lib_ring_buffer_ctx *ctx)
 	return 0;
 }
 EXPORT_SYMBOL_GPL(lib_ring_buffer_reserve_slow);
+
+int __init init_lib_ring_buffer_frontend(void)
+{
+	int cpu;
+
+	for_each_possible_cpu(cpu)
+		spin_lock_init(&per_cpu(ring_buffer_nohz_lock, cpu));
+	return 0;
+}
+
+module_init(init_lib_ring_buffer_frontend);