linux-kernel - Re: [PATCH] net: sched: cls_api: fix dead code in switch

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Date:   Wed, 25 Jul 2018 16:31:23 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Jiri Pirko <jiri@...lanox.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: sched: cls_api: fix dead code in switch

Wed, Jul 25, 2018 at 04:07:24PM CEST, gustavo@...eddedor.com wrote:
>Code at line 1850 is unreachable. Fix this by removing the break
>statement above it, so the code for case RTM_GETCHAIN can be
>properly executed.
>
>Addresses-Coverity-ID: 1472050 ("Structurally dead code")
>Fixes: 32a4f5ecd738 ("net: sched: introduce chain object to uapi")
>Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Acked-by: Jiri Pirko <jiri@...lanox.com>

I'm just writing a selftest to test this path. Thanks.