linux-kernel - Re: [PATCH -next] lsm_audit: Clean up redundant NULL pointer check

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Date:   Tue, 28 Jun 2022 15:29:02 +0800
From:   xiujianfeng <xiujianfeng@...wei.com>
To:     Paul Moore <paul@...l-moore.com>
CC:     <jmorris@...ei.org>, <serge@...lyn.com>,
        <linux-security-module@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] lsm_audit: Clean up redundant NULL pointer check

Hi,

在 2022/6/15 10:07, Paul Moore 写道:
> On Tue, Jun 14, 2022 at 8:13 AM Xiu Jianfeng <xiujianfeng@...wei.com> wrote:
>> The implements of {ip,tcp,udp,dccp,sctp,ipv6}_hdr(skb) guarantee that
>> they will never return NULL, and elsewhere user don't do the check
>> as well, so remove the check here.
>>
>> Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
>> ---
>>   security/lsm_audit.c | 14 +-------------
>>   1 file changed, 1 insertion(+), 13 deletions(-)
> Reviewed-by: Paul Moore <paul@...l-moore.com>
Thanks for the review, and kindly ping here ...