Re: [PATCH] Fix warning empty list in svc_destroy

[syzbot]

> #syz test

"" does not look like a valid git branch or commit.

>
> diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
> index bc282b744f34..ebcca3dd1269 100644
> --- a/fs/nfs/callback.c
> +++ b/fs/nfs/callback.c
> @@ -60,8 +60,15 @@ static int nfs4_callback_up_net(struct svc_serv *serv, struct net *net)
>  		nn->nfs_callback_tcpport6 = ret;
>  		dprintk("NFS: Callback listener port = %u (af %u, net %x)\n",
>  			nn->nfs_callback_tcpport6, PF_INET6, net->ns.inum);
> -	} else if (ret != -EAFNOSUPPORT)
> +	} else if (ret != -EAFNOSUPPORT) {
> +		struct svc_xprt *xprt = svc_find_xprt(serv, "tcp", net, PF_INET,
> +			     nn->nfs_callback_tcpport);
> +		if (xprt) {
> +			svc_xprt_close(xprt);
> +			svc_xprt_put(xprt);
> +		}
>  		goto out_err;
> +	}
>  	return 0;
>  
>  out_err:
> -- 
> 2.47.3
>