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From: Julia Lawall <julia.lawall@lip6.fr>
To: linux-security-module@vger.kernel.org
Subject: Re: [PATCH] security: keys: remove redundant assignment to key_ref
Date: Wed, 06 Dec 2017 14:53:03 +0000	[thread overview]
Message-ID: <alpine.DEB.2.20.1712061551310.25998@hadrien> (raw)
In-Reply-To: <15713.1512571817@warthog.procyon.org.uk>



On Wed, 6 Dec 2017, David Howells wrote:

> James Morris <james.l.morris@oracle.com> wrote:
>
> > I think a general cleanup in that function to make all of these follow the
> > pattern:
> >
> > 	if (something) {
> > 		key_ref = ERR_PTR(-error);
> > 		goto error;
> > 	}
> >
> > rather than unconditionally setting the error first, would be better, but
> > this is a clear enough fix on its own.
>
> There's a preference in Linux to use:
>
> 	key_ref = ERR_PTR(-error);
>  	if (something)
>  		goto error;
>
> instead because it uses less vertical space.  It might originally have been
> promulgated by Linus, but I don't remember.  Though you do have a point - your
> way makes error handling less subject breakage from code rearrangement.

I have the impression that there are many examples of both approaches.

julia

>
> David
> --
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  reply	other threads:[~2017-12-06 14:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-04 18:14 [PATCH] security: keys: remove redundant assignment to key_ref Colin King
2017-12-05  0:18 ` James Morris
2017-12-06 14:50   ` David Howells
2017-12-06 14:53     ` Julia Lawall [this message]
2017-12-07  0:49       ` James Morris

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