linux-kernel - Re: [PATCH bpf-next v2 8/8] bpf: Exercise syscall operations for inode and sk storage

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Date:   Tue, 3 Nov 2020 23:58:26 +0100
From:   KP Singh <kpsingh@...omium.org>
To:     Song Liu <songliubraving@...com>
Cc:     open list <linux-kernel@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin Lau <kafai@...com>, Paul Turner <pjt@...gle.com>,
        Jann Horn <jannh@...gle.com>, Hao Luo <haoluo@...gle.com>
Subject: Re: [PATCH bpf-next v2 8/8] bpf: Exercise syscall operations for
 inode and sk storage

On Tue, Nov 3, 2020 at 11:32 PM Song Liu <songliubraving@...com> wrote:
>
>
>
> > On Nov 3, 2020, at 7:31 AM, KP Singh <kpsingh@...omium.org> wrote:
> >
> > From: KP Singh <kpsingh@...gle.com>
>
> A short commit log would be great...

Sure :) No excuses for not having one, will add it in the next revision.

- KP

[...]

> > +                                   serv_sk))
> > +             goto close_prog;
>
> We shouldn't need this goto, otherwise we may leak serv_sk.

Good point, I will just move the close(serv_sk); along with the other
descriptor clean up.

>
> > +
> >       close(serv_sk);
> >
> > close_prog:
> > +     close(rm_fd);
> >       close(task_fd);
> >       local_storage__destroy(skel);
> > }
> > --
> > 2.29.1.341.ge80a0c044ae-goog
> >
>