linux-kernel - Re: [PATCH][net-next] net_sched: remove redundant assignment to ret

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Message-ID: <CAM_iQpUEKK4jJo9aPLExudGXub4j_Mz8Jv+Lu+wJTGj3Zk7Jmw@mail.gmail.com>
Date:   Fri, 29 Sep 2017 10:35:20 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Jamal Hadi Salim <jhs@...atatu.com>, Jiri Pirko <jiri@...nulli.us>,
        "David S . Miller" <davem@...emloft.net>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH][net-next] net_sched: remove redundant assignment to ret

On Fri, Sep 29, 2017 at 7:01 AM, Colin King <colin.king@...onical.com> wrote:
> From: Colin Ian King <colin.king@...onical.com>
>
> The assignment of -EINVAL to variable ret is redundant as it
> is being overwritten on the following error exit paths or
> to the return value from the following call to basic_set_parms.
> Fix this up by removing it. Cleans up clang warning message:
>
> net/sched/cls_basic.c:185:2: warning: Value stored to 'err' is never read
>
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Fixes: 1d8134fea2eb ("net_sched: use idr to allocate basic filter handles")

Acked-by: Cong Wang <xiyou.wangcong@...il.com>