Re: [PATCH] keys: asymmetric: fix error return code in software_key_query()

From: David Howells
Date: Thu Jul 23 2020 - 03:31:35 EST


Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote:

> > if (IS_ERR(tfm))
> > return PTR_ERR(tfm);
> >
> > + ret = -ENOMEM;
>
> This is extremely confusing to read way to handle 'ret'.
>
> Would be way more cleaner to be just simple and stupid:
>
> if (!key) {
> ret = -ENOMEM;
> goto error_free_tfm;
> }

I agree, but we have some people who will (or who used to) moan at you for
doing in four lines what you could've done in three. I don't know if this is
still the standard.

David