securityfs: ->d_parent is never NULL or negative

 */

void securityfs_remove(struct dentry *dentry)

{

	struct dentry *parent;

	struct inode *dir;

	if (!dentry || IS_ERR(dentry))

		return;

	inode_lock(d_inode(parent));

	dir = d_inode(dentry->d_parent);

	inode_lock(dir);

	if (simple_positive(dentry)) {

		if (d_is_dir(dentry))

			simple_rmdir(d_inode(parent), dentry);

			simple_rmdir(dir, dentry);

		else

			simple_unlink(d_inode(parent), dentry);

			simple_unlink(dir, dentry);

		dput(dentry);

	}

	inode_unlock(d_inode(parent));

	inode_unlock(dir);

	simple_release_fs(&mount, &mount_count);

}

EXPORT_SYMBOL_GPL(securityfs_remove);