From 59885b39303edc0b3284f324a1ca42cb6e7742d0 Mon Sep 17 00:00:00 2001
From: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Date: Wed, 9 Apr 2014 09:18:04 +0900
Subject: [PATCH] Btrfs: fix possible memory leak in btrfs_create_tree()
In btrfs_create_tree(), if btrfs_insert_root() fails, we should
free root->commit_root.
Reported-by: Alex Lyakas <alex@zadarastorage.com>
Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
---
fs/btrfs/disk-io.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index cf8427a7a615..d3bd34e434f6 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1366,6 +1366,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
fail:
if (leaf) {
btrfs_tree_unlock(leaf);
+ free_extent_buffer(root->commit_root);
free_extent_buffer(leaf);
}
kfree(root);
--
2.34.1