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    Subject[PATCH 3.11 070/131] net: fix 'ip rule' iif/oif device rename
    Date
    3.11.10.6 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: =?UTF-8?q?Maciej=20=C5=BBenczykowski?= <maze@google.com>

    commit 946c032e5a53992ea45e062ecb08670ba39b99e3 upstream.

    ip rules with iif/oif references do not update:
    (detach/attach) across interface renames.

    Signed-off-by: Maciej Żenczykowski <maze@google.com>
    CC: Willem de Bruijn <willemb@google.com>
    CC: Eric Dumazet <edumazet@google.com>
    CC: Chris Davis <chrismd@google.com>
    CC: Carlo Contavalli <ccontavalli@google.com>

    Google-Bug-Id: 12936021
    Acked-by: Eric Dumazet <edumazet@google.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
    ---
    net/core/fib_rules.c | 7 +++++++
    1 file changed, 7 insertions(+)

    diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
    index b1cd856..2631add 100644
    --- a/net/core/fib_rules.c
    +++ b/net/core/fib_rules.c
    @@ -720,6 +720,13 @@ static int fib_rules_event(struct notifier_block *this, unsigned long event,
    attach_rules(&ops->rules_list, dev);
    break;

    + case NETDEV_CHANGENAME:
    + list_for_each_entry(ops, &net->rules_ops, list) {
    + detach_rules(&ops->rules_list, dev);
    + attach_rules(&ops->rules_list, dev);
    + }
    + break;
    +
    case NETDEV_UNREGISTER:
    list_for_each_entry(ops, &net->rules_ops, list)
    detach_rules(&ops->rules_list, dev);
    --
    1.9.0
    --
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