Re: [PATCH] net/tipc: remove redundant variables 'tn' and 'oport'

From: Ying Xue
Date: Wed Aug 01 2018 - 02:15:48 EST


On 08/01/2018 12:01 AM, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Variables 'tn' and 'oport' are being assigned but are never used hence
> they are redundant and can be removed.
>
> Cleans up clang warnings:
> warning: variable 'oport' set but not used [-Wunused-but-set-variable]
> warning: variable 'tn' set but not used [-Wunused-but-set-variable]
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Acked-by: Ying Xue <ying.xue@xxxxxxxxxxxxx>

> ---
> net/tipc/socket.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/net/tipc/socket.c b/net/tipc/socket.c
> index 3763bedecf5f..c1e93c9515bc 100644
> --- a/net/tipc/socket.c
> +++ b/net/tipc/socket.c
> @@ -411,7 +411,6 @@ static int tipc_sk_sock_err(struct socket *sock, long *timeout)
> static int tipc_sk_create(struct net *net, struct socket *sock,
> int protocol, int kern)
> {
> - struct tipc_net *tn;
> const struct proto_ops *ops;
> struct sock *sk;
> struct tipc_sock *tsk;
> @@ -446,7 +445,6 @@ static int tipc_sk_create(struct net *net, struct socket *sock,
> INIT_LIST_HEAD(&tsk->publications);
> INIT_LIST_HEAD(&tsk->cong_links);
> msg = &tsk->phdr;
> - tn = net_generic(sock_net(sk), tipc_net_id);
>
> /* Finish initializing socket data structures */
> sock->ops = ops;
> @@ -1117,7 +1115,7 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
> u32 self = tipc_own_addr(net);
> u32 type, lower, upper, scope;
> struct sk_buff *skb, *_skb;
> - u32 portid, oport, onode;
> + u32 portid, onode;
> struct sk_buff_head tmpq;
> struct list_head dports;
> struct tipc_msg *hdr;
> @@ -1133,7 +1131,6 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
> user = msg_user(hdr);
> mtyp = msg_type(hdr);
> hlen = skb_headroom(skb) + msg_hdr_sz(hdr);
> - oport = msg_origport(hdr);
> onode = msg_orignode(hdr);
> type = msg_nametype(hdr);
>
>