netdev - Re: [PATCH] cipso,calipso: resolve a number of problems with the DOI refcounts

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Message-Id: <20210304.152733.1381456342956729385.davem@davemloft.net>
Date:   Thu, 04 Mar 2021 15:27:33 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     paul@...l-moore.com
Cc:     netdev@...r.kernel.org, linux-security-module@...r.kernel.org,
        selinux@...r.kernel.org, dvyukov@...gle.com
Subject: Re: [PATCH] cipso,calipso: resolve a number of problems with the
 DOI refcounts

From: Paul Moore <paul@...l-moore.com>
Date: Thu, 4 Mar 2021 18:13:21 -0500

> On Thu, Mar 4, 2021 at 5:33 PM David Miller <davem@...emloft.net> wrote:
>> From: Paul Moore <paul@...l-moore.com>
>> Date: Thu, 04 Mar 2021 16:29:51 -0500
>>
>> > +static void calipso_doi_putdef(struct calipso_doi *doi_def);
>> > +
>>
>> This is a global symbol, so why the static decl here?
> 
> To resolve this:
> 
>   CC      net/ipv6/calipso.o
> net/ipv6/calipso.c: In function ‘calipso_doi_remove’:
> net/ipv6/calipso.c:453:2: error: implicit declaration of function ‘calipso_doi_p
> utdef’
> 
> I think there are some odd things with how the CALIPSO prototypes are
> handled, some of that I'm guessing is due to handling IPv6
> as-a-module, but regardless of the reason it seemed like the smallest
> fix was to add the forward declaration at the top of the file.
> Considering that I believe this should be sent to -stable I figured a
> smaller patch, with less chance for merge conflicts, would be more
> desirable.

Thanks for explaining...