Ensure that __nfs_idmap_unregister can be called twice without consequences. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
@@ -404,8 +404,10 @@ static struct key_type key_type_id_resolver_legacy = {
static void __nfs_idmap_unregister(struct rpc_pipe *pipe)
{
- if (pipe->dentry)
+ if (pipe->dentry) {
rpc_unlink(pipe->dentry);
+ pipe->dentry = NULL;
+ }
}
static int __nfs_idmap_register(struct dentry *dir,