[PATCH net] net: vrf: Fix setting NLM_F_EXCL flag when adding l3mdev rule

[David Ahern]

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 <d...@cumulusnetworks.com>
---
 drivers/net/vrf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 22379da63400..6a6e7f2fee29 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -1125,7 +1125,7 @@ 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));
-- 
2.11.0 (Apple Git-81)