From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 19 Mar 2012 22:15:50 +0000 (-0400)
Subject: Fix: trace_ust_destroy_metadata should check for NULL pointer
X-Git-Tag: v2.0.0-rc4~16
X-Git-Url: http://git.lttng.org/?p=lttng-tools.git;a=commitdiff_plain;h=abc9138a92fb32f5525f29160aabd6dc18e441cd

Fix: trace_ust_destroy_metadata should check for NULL pointer

Acked-by: David Goulet <dgoulet@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/bin/lttng-sessiond/trace-ust.c b/src/bin/lttng-sessiond/trace-ust.c
index 5a8fc7dd9..7b5c3c788 100644
--- a/src/bin/lttng-sessiond/trace-ust.c
+++ b/src/bin/lttng-sessiond/trace-ust.c
@@ -459,8 +459,10 @@ static void destroy_channel_rcu(struct rcu_head *head)
  */
 void trace_ust_destroy_metadata(struct ltt_ust_metadata *metadata)
 {
+	if (!metadata->handle) {
+		return;
+	}
 	DBG2("Trace UST destroy metadata %d", metadata->handle);
-
 	free(metadata);
 }