netdev - Re: [PATCH 1/1] mlx4_en: remove unnecessary returned value check

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Date:   Wed, 12 Jul 2017 12:46:18 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Yuval Shaia <yuval.shaia@...cle.com>
Cc:     Zhu Yanjun <yanjun.zhu@...cle.com>, tariqt@...lanox.com,
        netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH 1/1] mlx4_en: remove unnecessary returned value check

On Wed, Jul 12, 2017 at 11:36:48AM +0300, Yuval Shaia wrote:
> On Wed, Jul 12, 2017 at 02:44:33AM -0400, Zhu Yanjun wrote:
> > The function __mlx4_zone_remove_one_entry always returns zero. So
> > it is not necessary to check it.
> >
> > Cc: Joe Jin <joe.jin@...cle.com>
> > Cc: Junxiao Bi <junxiao.bi@...cle.com>
> > Signed-off-by: Zhu Yanjun <yanjun.zhu@...cle.com>
> > ---
> >  drivers/net/ethernet/mellanox/mlx4/alloc.c | 7 +++----
> >  1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c
> > index 249a458..bfb185d 100644
> > --- a/drivers/net/ethernet/mellanox/mlx4/alloc.c
> > +++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c
> > @@ -283,7 +283,7 @@ int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
> >  }
> >
> >  /* Should be called under a lock */
> > -static int __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry)
> > +static void __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry)
> >  {
> >  	struct mlx4_zone_allocator *zone_alloc = entry->allocator;
> >
> > @@ -315,8 +315,6 @@ static int __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry)
> >  		}
> >  		zone_alloc->mask = mask;
> >  	}
> > -
> > -	return 0;
> >  }
> >
> >  void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc)
> > @@ -468,7 +466,8 @@ int mlx4_zone_remove_one(struct mlx4_zone_allocator *zones, u32 uid)
> >  		goto out;
> >  	}
> >
> > -	res = __mlx4_zone_remove_one_entry(zone);
> > +	__mlx4_zone_remove_one_entry(zone);
> > +	res = 0;
>
> Will look better if initialization will move to variable declaration.
>

Yes, please.

Thanks

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