Fix not NULL pointer on size 0

Signed-off-by: David Goulet <david.goulet@polymtl.ca>

diff --git a/liblttngctl/lttngctl.c b/liblttngctl/lttngctl.c
index 90977f8c3caa19190601089a0657b51ba0d0195c..a1e577b2bb5f7f4bf14d1950c10928719fbc0eae 100644 (file)
--- 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;
        }