netdev - Re: [PATCH net-next v3 3/4] bpf, mlx5: drop priv->xdp

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Message-ID: <CALzJLG-7icaCU-cOTZoKtm5H6Ns=Vwa=wFw8Y-LkQ3zQWUea4w@mail.gmail.com>
Date:   Mon, 21 Nov 2016 11:31:24 +0200
From:   Saeed Mahameed <saeedm@....mellanox.co.il>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Brenden Blanco <bblanco@...mgrid.com>,
        Zhiyi Sun <zhiyisun@...il.com>,
        Rana Shahout <ranas@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next v3 3/4] bpf, mlx5: drop priv->xdp_prog reference
 on netdev cleanup

On Sat, Nov 19, 2016 at 2:45 AM, Daniel Borkmann <daniel@...earbox.net> wrote:
> mlx5e_xdp_set() is currently the only place where we drop reference on the
> prog sitting in priv->xdp_prog when it's exchanged by a new one. We also
> need to make sure that we eventually release that reference, for example,
> in case the netdev is dismantled, otherwise we leak the program.
>
> Fixes: 86994156c736 ("net/mlx5e: XDP fast RX drop bpf programs support")
> Signed-off-by: Daniel Borkmann <daniel@...earbox.net>

Acked-by: Saeed Mahameed <saeedm@...lanox.com>