 list_for_each_entry(mnt, &namespace->list, mnt_list) { mnt->mnt_namespace = NULL; }  
void __put_namespace(struct namespace *namespace){	struct vfsmount *mnt;	down_write(&namespace->sem);	spin_lock(&vfsmount_lock);	list_for_each_entry(mnt, &namespace->list, mnt_list) {		mnt->mnt_namespace = NULL;	}	umount_tree(namespace->root);	spin_unlock(&vfsmount_lock);	up_write(&namespace->sem);	kfree(namespace);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/202322e6f7cd12e82b5ff0fa92bbdf517fcf0947/namespace.c/buggy/fs/namespace.c