netdev - Re: [PATCH] net: caif: remove redundant null check on frontpkt

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Date:   Fri, 14 Sep 2018 19:18:45 +0100
From:   Colin Ian King <colin.king@...onical.com>
To:     Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        Dmitry Tarnyagin <dmitry.tarnyagin@...kless.no>,
        "David S . Miller" <davem@...emloft.net>
Cc:     kernel-janitors@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] net: caif: remove redundant null check on frontpkt

On 14/09/18 18:54, Sergei Shtylyov wrote:
> Hello!
> 
> On 09/14/2018 08:19 PM, Colin King wrote:
> 
>> From: Colin Ian King <colin.king@...onical.com>
>>
>> It is impossible for frontpkt to be null at the point of the null
>> check because it has been assigned from rearpkt and there is no
>> way realpkt can be null at the point of the assignment because
> 
>    rearpkt?

Good spot. Can this be fixed up when the patch is applied?

> 
>> of the sanity checking and exit paths taken previously. Remove
>> the redundant null check.
>>
>> Detected by CoverityScan, CID#114434 ("Logically dead code")
>>
>> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> [...]
> 
> MBR, Sergei
>