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    Subject[PATCH 4.10 22/62] net: vrf: Fix setting NLM_F_EXCL flag when adding l3mdev rule
    Date
    4.10-stable review patch.  If anyone has any objections, please let me know.

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

    From: David Ahern <dsa@cumulusnetworks.com>


    [ Upstream commit 426c87caa2b4578b43cd3f689f02c65b743b2559 ]

    Only need 1 l3mdev FIB rule. Fix setting NLM_F_EXCL in the nlmsghdr.

    Fixes: 1aa6c4f6b8cd8 ("net: vrf: Add l3mdev rules on first device create")
    Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/vrf.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/net/vrf.c
    +++ b/drivers/net/vrf.c
    @@ -1126,7 +1126,7 @@ static int vrf_fib_rule(const struct net
    goto nla_put_failure;

    /* rule only needs to appear once */
    - nlh->nlmsg_flags &= NLM_F_EXCL;
    + nlh->nlmsg_flags |= NLM_F_EXCL;

    frh = nlmsg_data(nlh);
    memset(frh, 0, sizeof(*frh));

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