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Message-ID: <ae03288f501335ee5d6534a91cc2c6313a14d663.camel@kernel.org>
Subject: Re: [PATCH 1/4] SUNRPC: Clean up unused variable in
 rpc_xprt_probe_trunked()
From: Jeff Layton <jlayton@kernel.org>
To: Anna Schumaker <anna@kernel.org>, linux-nfs@vger.kernel.org, 
	trond.myklebust@hammerspace.com
Date: Sun, 03 Dec 2023 07:18:07 -0500
In-Reply-To: <20231201211549.126941-2-anna@kernel.org>
References: <20231201211549.126941-1-anna@kernel.org>
	 <20231201211549.126941-2-anna@kernel.org>
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On Fri, 2023-12-01 at 16:15 -0500, Anna Schumaker wrote:
> From: Anna Schumaker <Anna.Schumaker@Netapp.com>
>=20
> We don't use the rpc_xprt_switch anywhere in this function, so let's not
> take an extra reference to in unnecessarily.
>=20
> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
> ---
>  net/sunrpc/clnt.c | 3 ---
>  1 file changed, 3 deletions(-)
>=20
> diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> index daa9582ec861..4aa838543f79 100644
> --- a/net/sunrpc/clnt.c
> +++ b/net/sunrpc/clnt.c
> @@ -3116,7 +3116,6 @@ static int rpc_xprt_probe_trunked(struct rpc_clnt *=
clnt,
>  				  struct rpc_xprt *xprt,
>  				  struct rpc_add_xprt_test *data)
>  {
> -	struct rpc_xprt_switch *xps;
>  	struct rpc_xprt *main_xprt;
>  	int status =3D 0;
> =20
> @@ -3124,7 +3123,6 @@ static int rpc_xprt_probe_trunked(struct rpc_clnt *=
clnt,
> =20
>  	rcu_read_lock();
>  	main_xprt =3D xprt_get(rcu_dereference(clnt->cl_xprt));
> -	xps =3D xprt_switch_get(rcu_dereference(clnt->cl_xpi.xpi_xpswitch));
>  	status =3D rpc_cmp_addr_port((struct sockaddr *)&xprt->addr,
>  				   (struct sockaddr *)&main_xprt->addr);
>  	rcu_read_unlock();
> @@ -3135,7 +3133,6 @@ static int rpc_xprt_probe_trunked(struct rpc_clnt *=
clnt,
>  	status =3D rpc_clnt_add_xprt_helper(clnt, xprt, data);
>  out:
>  	xprt_put(xprt);
> -	xprt_switch_put(xps);
>  	return status;
>  }
> =20

Seems right to me. If there is some hidden reason that we need to take
that reference here, then that needs to be documented in a comment.

Reviewed-by: Jeff Layton <jlayton@kernel.org>