Commit ac08aedf authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: check the return value from set_anon_super 



Al Viro noticed we weren't checking for set_anon_super failures.  This
adds the required checks.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 30b4caf5

fs/btrfs/disk-io.c

+3 −1
Original line number Diff line number Diff line
@@ -1312,7 +1312,9 @@ again: 
	spin_lock_init(&root->cache_lock);

	init_waitqueue_head(&root->cache_wait);



	set_anon_super(&root->anon_super, NULL);

	ret = set_anon_super(&root->anon_super, NULL);

	if (ret)

		goto fail;



	if (btrfs_root_refs(&root->root_item) == 0) {

		ret = -ENOENT;