linux-kernel - Re: [PATCH] KEYS: remove unnecessary get/put of explicit dest

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Date:   Fri, 24 Nov 2017 21:18:16 +0000
From:   David Howells <dhowells@...hat.com>
To:     Eric Biggers <ebiggers3@...il.com>
Cc:     dhowells@...hat.com, keyrings@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH] KEYS: remove unnecessary get/put of explicit dest_keyring

Eric Biggers <ebiggers3@...il.com> wrote:

> > > -			construct_get_dest_keyring(&dest_keyring);
> > 
> > This will break.  construct_get_dest_keyring() does other things than just
> > getting a ref on whatever dest_keyring points to.
> > 
> 
> Not if dest_keyring is non-NULL (i.e. explicitly specified), which it is in
> this case.

Actually, you're right.

David