X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=probes%2Flttng-ftrace.c;h=1aa71831e86fd4bd21780278bb78d385f79ebc8b;hb=e64957da15e3652322dcf6a5389beb01901de8e6;hp=b8bd344749b201ecec08b6e93ebcba2715fb08f7;hpb=a33e44a60b7128349043753e53affba8ebc40716;p=lttng-modules.git

diff --git a/probes/lttng-ftrace.c b/probes/lttng-ftrace.c
index b8bd3447..1aa71831 100644
--- a/probes/lttng-ftrace.c
+++ b/probes/lttng-ftrace.c
@@ -38,8 +38,13 @@ void lttng_ftrace_handler(unsigned long ip, unsigned long parent_ip, void **data
 	} payload;
 	int ret;
 
-	if (!ACCESS_ONCE(chan->session->active))
+	if (unlikely(!ACCESS_ONCE(chan->session->active)))
 		return;
+	if (unlikely(!ACCESS_ONCE(chan->enabled)))
+		return;
+	if (unlikely(!ACCESS_ONCE(event->enabled)))
+		return;
+
 	lib_ring_buffer_ctx_init(&ctx, chan->chan, event,
 				 sizeof(payload), ltt_alignof(payload), -1);
 	ret = chan->ops->event_reserve(&ctx, event->id);