Commit cf1e99a4 authored by Dan Carpenter's avatar Dan Carpenter Committed by Chris Mason
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Btrfs: btrfs_lookup_dir_item() can return ERR_PTR 



btrfs_lookup_dir_item() can return either ERR_PTRs or null.

Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 3140c9a3

fs/btrfs/ioctl.c

+1 −1
Original line number Diff line number Diff line
@@ -1845,7 +1845,7 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp) 
	dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);

	di = btrfs_lookup_dir_item(trans, root->fs_info->tree_root, path,

				   dir_id, "default", 7, 1);

	if (!di) {

	if (IS_ERR_OR_NULL(di)) {

		btrfs_free_path(path);

		btrfs_end_transaction(trans, root);

		printk(KERN_ERR "Umm, you don't have the default dir item, "