Re: [PATCH] security: keys: remove redundant assignment to key_ref

From: Julia Lawall
Date: Wed Dec 06 2017 - 09:53:21 EST




On Wed, 6 Dec 2017, David Howells wrote:

> James Morris <james.l.morris@xxxxxxxxxx> 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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