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net: vrf: Fix setting NLM_F_EXCL flag when adding l3mdev rule

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[ 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>
This commit is contained in:
David Ahern 2017-04-13 10:57:15 -06:00 committed by Greg Kroah-Hartman
parent 8c04e2acd5
commit b4580d6f10
1 changed files with 1 additions and 1 deletions
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drivers/net/vrf.c
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@ -1124,7 +1124,7 @@ static int vrf_fib_rule(const struct net_device *dev, __u8 family, bool add_it)
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));