linux-kernel - Re: [PATCH] locks: avoid usage of list iterator after loop in generic_delete

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Message-ID: <900d20230c8a1ad006a24248d973e260f3e7d6f4.camel@kernel.org>
Date:   Thu, 02 Mar 2023 15:35:14 -0500
From:   Jeff Layton <jlayton@...nel.org>
To:     Al Viro <viro@...iv.linux.org.uk>,
        Jakob Koschel <jkl820.git@...il.com>
Cc:     Chuck Lever <chuck.lever@...cle.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Pietro Borrello <borrello@...g.uniroma1.it>,
        Cristiano Giuffrida <c.giuffrida@...nl>,
        "Bos, H.J." <h.j.bos@...nl>
Subject: Re: [PATCH] locks: avoid usage of list iterator after loop in
 generic_delete_lease()

On Thu, 2023-03-02 at 18:14 +0000, Al Viro wrote:
> On Wed, Mar 01, 2023 at 06:20:18PM +0100, Jakob Koschel wrote:
> > 'victim' and 'fl' are ensured to be equal at this point. For consistency
> > both should use the same variable.
> > 
> > Additionally, Linus proposed to avoid any use of the list iterator
> > variable after the loop, in the attempt to move the list iterator
> > variable declaration into the marcro to avoid any potential misuse after
> > the loop [1].
> > 
> > Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1]
> > Signed-off-by: Jakob Koschel <jkl820.git@...il.com>
> 
> Looks sane.  Jeff, which tree do you want that to go through?

Looks good to me too. I'm fine if you want to pick up that one, but
otherwise I can take it. You can also add:

Reviewed-by: Jeff Layton <jlayton@...nel.org>

Thanks!