From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Sat, 21 May 2011 17:08:26 +0000 (-0400)
Subject: Fix metadata event arg (null pointer exception)
X-Git-Tag: v2.0-pre1~128
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=e70a4758e5d5b11aca964eb36d1d2258c97105af;p=lttng-modules.git

Fix metadata event arg (null pointer exception)

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/ltt-debugfs-abi.c b/ltt-debugfs-abi.c
index 80fecbe9..02f7232c 100644
--- a/ltt-debugfs-abi.c
+++ b/ltt-debugfs-abi.c
@@ -142,6 +142,10 @@ static
 void lttng_metadata_create_events(struct file *channel_file)
 {
 	struct ltt_channel *channel = channel_file->private_data;
+	static struct lttng_kernel_event metadata_params = {
+		.instrumentation = LTTNG_KERNEL_TRACEPOINTS,
+		.name = "lttng_metadata",
+	};
 	char *event_name = "lttng_metadata";
 	struct ltt_event *event;
 	int ret;
@@ -150,8 +154,7 @@ void lttng_metadata_create_events(struct file *channel_file)
 	 * We tolerate no failure path after event creation. It will stay
 	 * invariant for the rest of the session.
 	 */
-	event = ltt_event_create(channel, event_name, LTTNG_KERNEL_TRACEPOINTS,
-				 NULL);
+	event = ltt_event_create(channel, event_name, &metadata_params, NULL);
 	if (!event) {
 		goto create_error;
 		ret = -EEXIST;