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    Subject[PATCH 4.14 15/49] net: ieee802154: stop dump llsec seclevels for monitors
    Date
    From: Alexander Aring <aahringo@redhat.com>

    [ Upstream commit 4c9b4f55ad1f5a4b6206ac4ea58f273126d21925 ]

    This patch stops dumping llsec seclevels for monitors which we don't
    support yet. Otherwise we will access llsec mib which isn't initialized
    for monitors.

    Signed-off-by: Alexander Aring <aahringo@redhat.com>
    Link: https://lore.kernel.org/r/20210405003054.256017-13-aahringo@redhat.com
    Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    net/ieee802154/nl802154.c | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
    index eaeff7c08bdf..29916f8cfdc3 100644
    --- a/net/ieee802154/nl802154.c
    +++ b/net/ieee802154/nl802154.c
    @@ -2048,6 +2048,11 @@ nl802154_dump_llsec_seclevel(struct sk_buff *skb, struct netlink_callback *cb)
    if (err)
    return err;

    + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) {
    + err = skb->len;
    + goto out_err;
    + }
    +
    if (!wpan_dev->netdev) {
    err = -EINVAL;
    goto out_err;
    --
    2.30.2


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