netdev - Re: [PATCH 5/5] sysctl: pass kernel pointers to ->proc

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Date:   Tue, 5 May 2020 07:57:04 +0200
From:   Christoph Hellwig <hch@....de>
To:     Kees Cook <keescook@...omium.org>
Cc:     Christoph Hellwig <hch@....de>, Iurii Zaikin <yzaikin@...gle.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, Andrey Ignatov <rdna@...com>
Subject: Re: [PATCH 5/5] sysctl: pass kernel pointers to ->proc_handler

On Mon, May 04, 2020 at 12:01:11PM -0700, Kees Cook wrote:
> >  	if (error)
> > -		goto out;
> > +		goto out_free_buf;
> >  
> >  	/* careful: calling conventions are nasty here */
> 
> Is this comment still valid after doing these cleanups?

The comment is pretty old so I decided to keep it.  That being said
I'm not sure it really is very helpful.