linux-kernel - Re: [PATCH] bpf: Change kvfree to kfree in generic_map_lookup

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Message-ID: <CAADnVQJOO3eGgmJEhpT4ScC1ps_DSKpoH1Q3X=RjXJiRJg_sVA@mail.gmail.com>
Date:   Mon, 1 Jun 2020 14:37:20 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Song Liu <song@...nel.org>
Cc:     Denis Efremov <efremov@...ux.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Martin KaFai Lau <kafai@...com>, bpf <bpf@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] bpf: Change kvfree to kfree in generic_map_lookup_batch()

On Mon, Jun 1, 2020 at 1:18 PM Song Liu <song@...nel.org> wrote:
>
> On Mon, Jun 1, 2020 at 9:29 AM Denis Efremov <efremov@...ux.com> wrote:
> >
> > buf_prevkey in generic_map_lookup_batch() is allocated with
> > kmalloc(). It's safe to free it with kfree().
> >
> > Signed-off-by: Denis Efremov <efremov@...ux.com>
>
> Please add prefix "PATCH bpf" or "PATCH bpf-next" to indicate which
> tree this should
> apply to. This one looks more like for bpf-next, as current code still
> works. For patches
> to bpf-next, we should wait after the merge window.
>
> Also, maybe add:
>
> Fixes: cb4d03ab499d ("bpf: Add generic support for lookup batch op")
>
> Acked-by: Song Liu <songliubraving@...com>

Applied to bpf-next. Thanks