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Date:   Mon, 14 Sep 2020 18:45:54 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Song Liu <song@...nel.org>
Cc:     Magnus Karlsson <magnus.karlsson@...il.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Björn Töpel <bjorn.topel@...el.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Networking <netdev@...r.kernel.org>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf-next] xsk: fix refcount warning in xp_dma_map

On Mon, Sep 14, 2020 at 2:13 PM Song Liu <song@...nel.org> wrote:
>
> On Mon, Sep 14, 2020 at 7:52 AM Magnus Karlsson
> <magnus.karlsson@...il.com> wrote:
> >
> > From: Magnus Karlsson <magnus.karlsson@...el.com>
> >
> > Fix a potential refcount warning that a zero value is increased to one
> > in xp_dma_map, by initializing the refcount to one to start with,
> > instead of zero plus a refcount_inc().
> >
> > Fixes: 921b68692abb ("xsk: Enable sharing of dma mappings")
> > Signed-off-by: Magnus Karlsson <magnus.karlsson@...el.com>
>
> Acked-by: Song Liu <songliubraving@...com>

Applied. Thanks

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