Fix: lttng: uninitialized pointer free'd when no sessiond is present

[lttng-tools.git] / src / lib / lttng-ctl / snapshot.c

diff --git a/src/lib/lttng-ctl/snapshot.c b/src/lib/lttng-ctl/snapshot.c
index 9dc2c679b885da9de502e71d8fba9268c0d0a6de..0aebf157539ae27631dc8513b7ac0b434362b2f6 100644 (file)
--- a/src/lib/lttng-ctl/snapshot.c
+++ b/src/lib/lttng-ctl/snapshot.c
@@ -1,21 +1,11 @@
 /*
- * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
  *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
 #include <assert.h>
 #include <string.h>
 
@@ -221,7 +211,17 @@ int lttng_snapshot_record(const char *session_name,
  */
 struct lttng_snapshot_output *lttng_snapshot_output_create(void)
 {
-       return zmalloc(sizeof(struct lttng_snapshot_output));
+       struct lttng_snapshot_output *output;
+
+       output = zmalloc(sizeof(struct lttng_snapshot_output));
+       if (!output) {
+               goto error;
+       }
+
+       output->max_size = (uint64_t) -1ULL;
+
+error:
+       return output;
 }
 
 /*