Fix: possible null dereference

[lttng-tools.git] / src / common / fd-tracker / inode.h

diff --git a/src/common/fd-tracker/inode.h b/src/common/fd-tracker/inode.h
index d3c0ed2bf2239ecb889e5cd186c9bd71c01e72d2..7e95c0726efc9057f67b8457569067f0118c0770 100644 (file)
--- a/src/common/fd-tracker/inode.h
+++ b/src/common/fd-tracker/inode.h
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2020 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program 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 General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef FD_TRACKER_INODE_H
@@ -24,6 +14,7 @@
 struct lttng_inode;
 struct lttng_inode_registry;
 struct lttng_unlinked_file_directory;
+struct lttng_directory_handle;
 
 /*
  * The unlinked file pool is protected by the fd-tracker's lock.
@@ -51,10 +42,14 @@ struct lttng_inode *lttng_inode_registry_get_inode(
 
 void lttng_inode_registry_destroy(struct lttng_inode_registry *registry);
 
-void lttng_inode_get_location(struct lttng_inode *inode,
+void lttng_inode_borrow_location(struct lttng_inode *inode,
                const struct lttng_directory_handle **out_directory_handle,
                const char **out_path);
 
+/* Returns a new reference to the inode's location directory handle. */
+struct lttng_directory_handle *lttng_inode_get_location_directory_handle(
+               struct lttng_inode *inode);
+
 int lttng_inode_rename(struct lttng_inode *inode,
                struct lttng_directory_handle *old_directory_handle,
                const char *old_path,