Btrfs-progs: add missing path alloc return value check

Also remove unused path in extent-tree.c:finish_current_insert().

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Reviewed-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/dir-item.c b/dir-item.c
index f00485a1..0ab3c5e2 100644
--- a/dir-item.c
+++ b/dir-item.c
@@ -123,6 +123,8 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
 	btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
 	key.offset = btrfs_name_hash(name, name_len);
 	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
 	data_size = sizeof(*dir_item) + name_len;
 	dir_item = insert_with_overflow(trans, root, path, &key, data_size,
 					name, name_len);