From 874d3f847b8053e38a50321b17abce4248ce6e53 Mon Sep 17 00:00:00 2001
From: David Goulet <david.goulet@polymtl.ca>
Date: Thu, 10 Nov 2011 15:07:48 -0500
Subject: [PATCH] Fix not NULL pointer on size 0

Signed-off-by: David Goulet <david.goulet@polymtl.ca>
---
 liblttngctl/lttngctl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/liblttngctl/lttngctl.c b/liblttngctl/lttngctl.c
index 90977f8c3..a1e577b2b 100644
--- a/liblttngctl/lttngctl.c
+++ b/liblttngctl/lttngctl.c
@@ -334,6 +334,8 @@ static int ask_sessiond(struct lttcomm_session_msg *lsm, void **buf)
 
 	size = llm.data_size;
 	if (size == 0) {
+		/* If client free with size 0 */
+		*buf = NULL;
 		ret = 0;
 		goto end;
 	}
-- 
2.34.1