Re: [PATCH 1/1] rds: remove unnecessary returned value check

[Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>]

On Fri, Mar 03, 2017 at 12:44:26AM -0500, Zhu Yanjun wrote:
> The function rds_trans_register always returns 0. As such, it is not
> necessary to check the returned value.
> 
> Cc: Joe Jin <joe.jin-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> Cc: Junxiao Bi <junxiao.bi-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> Signed-off-by: Zhu Yanjun <yanjun.zhu-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> ---
>  net/rds/ib.c        | 6 +-----
>  net/rds/rds.h       | 2 +-
>  net/rds/tcp.c       | 6 +-----
>  net/rds/transport.c | 4 +---
>  4 files changed, 4 insertions(+), 14 deletions(-)
> 
> diff --git a/net/rds/ib.c b/net/rds/ib.c
> index 0f557b2..7a64c8d 100644
> --- a/net/rds/ib.c
> +++ b/net/rds/ib.c
> @@ -438,16 +438,12 @@ int rds_ib_init(void)
>  	if (ret)
>  		goto out_sysctl;
>  
> -	ret = rds_trans_register(&rds_ib_transport);
> -	if (ret)
> -		goto out_recv;
> +	rds_trans_register(&rds_ib_transport);
>  
>  	rds_info_register_func(RDS_INFO_IB_CONNECTIONS, rds_ib_ic_info);
>  
>  	goto out;
>  
> -out_recv:
> -	rds_ib_recv_exit();
>  out_sysctl:
>  	rds_ib_sysctl_exit();
>  out_ibreg:
> diff --git a/net/rds/rds.h b/net/rds/rds.h
> index 966d2ee..39518ef 100644
> --- a/net/rds/rds.h
> +++ b/net/rds/rds.h
> @@ -903,7 +903,7 @@ void rds_connect_path_complete(struct rds_conn_path *conn, int curr);
>  void rds_connect_complete(struct rds_connection *conn);
>  
>  /* transport.c */
> -int rds_trans_register(struct rds_transport *trans);
> +void rds_trans_register(struct rds_transport *trans);
>  void rds_trans_unregister(struct rds_transport *trans);
>  struct rds_transport *rds_trans_get_preferred(struct net *net, __be32 addr);
>  void rds_trans_put(struct rds_transport *trans);
> diff --git a/net/rds/tcp.c b/net/rds/tcp.c
> index 5438f67..a973d3b 100644
> --- a/net/rds/tcp.c
> +++ b/net/rds/tcp.c
> @@ -652,16 +652,12 @@ static int rds_tcp_init(void)
>  	if (ret)
>  		goto out_pernet;
>  
> -	ret = rds_trans_register(&rds_tcp_transport);
> -	if (ret)
> -		goto out_recv;
> +	rds_trans_register(&rds_tcp_transport);
>  
>  	rds_info_register_func(RDS_INFO_TCP_SOCKETS, rds_tcp_tc_info);
>  
>  	goto out;
>  
> -out_recv:
> -	rds_tcp_recv_exit();
>  out_pernet:
>  	unregister_pernet_subsys(&rds_tcp_net_ops);
>  out_notifier:
> diff --git a/net/rds/transport.c b/net/rds/transport.c
> index 2ffd3e3..0b188dd 100644
> --- a/net/rds/transport.c
> +++ b/net/rds/transport.c
> @@ -40,7 +40,7 @@
>  static struct rds_transport *transports[RDS_TRANS_COUNT];
>  static DECLARE_RWSEM(rds_trans_sem);
>  
> -int rds_trans_register(struct rds_transport *trans)
> +void rds_trans_register(struct rds_transport *trans)
>  {
>  	BUG_ON(strlen(trans->t_name) + 1 > TRANSNAMSIZ);
>  
> @@ -55,8 +55,6 @@ int rds_trans_register(struct rds_transport *trans)
>  	}
>  
>  	up_write(&rds_trans_sem);
> -
> -	return 0;
>  }
>  EXPORT_SYMBOL_GPL(rds_trans_register);

Reviewed-by: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>

>  
> -- 
> 2.7.4
> 
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