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>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index cf8427a..d3bd34e 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1366,6 +1366,7 @@
fail:
if (leaf) {
btrfs_tree_unlock(leaf);
+ free_extent_buffer(root->commit_root);
free_extent_buffer(leaf);
}
kfree(root);