linux-kernel - Re: [PATCH][next] mlxsw: spectrum_router: remove redundant initialization of variable force

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Message-ID: <92af36981fa72db5944d28c6a8d6974ec7aff3f2.camel@perches.com>
Date:   Fri, 09 Apr 2021 02:11:29 -0700
From:   Joe Perches <joe@...ches.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Colin King <colin.king@...onical.com>
Cc:     Jiri Pirko <jiri@...dia.com>, Ido Schimmel <idosch@...dia.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] mlxsw: spectrum_router: remove redundant
 initialization of variable force

On Mon, 2021-03-29 at 09:04 +0300, Dan Carpenter wrote:
> On Sat, Mar 27, 2021 at 10:33:34PM +0000, Colin King wrote:
> > From: Colin Ian King <colin.king@...onical.com>
> > 
> > The variable force is being initialized with a value that is
> > never read and it is being updated later with a new value. The
> > initialization is redundant and can be removed.
> > 
> > Addresses-Coverity: ("Unused value")
> > Signed-off-by: Colin Ian King <colin.king@...onical.com>
> > ---
> >  drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> > index 6ccaa194733b..ff240e3c29f7 100644
> > --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> > +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> > @@ -5059,7 +5059,7 @@ mlxsw_sp_nexthop_obj_bucket_adj_update(struct mlxsw_sp *mlxsw_sp,
> >  {
> >  	u16 bucket_index = info->nh_res_bucket->bucket_index;
> >  	struct netlink_ext_ack *extack = info->extack;
> > -	bool force = info->nh_res_bucket->force;
> > +	bool force;
> >  	char ratr_pl_new[MLXSW_REG_RATR_LEN];
> >  	char ratr_pl[MLXSW_REG_RATR_LEN];
> >  	u32 adj_index;
> 
> Reverse Christmas tree.

Is still terrible style.