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authorDavid Ahern <dsa@cumulusnetworks.com>2016-06-13 23:44:18 +0300
committerDavid S. Miller <davem@davemloft.net>2016-06-15 22:34:34 +0300
commitba46ee4c0ed122fa14aa2f5d6994c166a01ae2c0 (patch)
treeb582d0cc07c1b1f608d5c146344cdeccf25fc7a7 /net/ipv6
parentcd2a9e62c8a3c5cae7691982667d79a0edc65283 (diff)
downloadlinux-ba46ee4c0ed122fa14aa2f5d6994c166a01ae2c0.tar.xz
net: ipv6: Do not add multicast route for l3 master devices
L3 master devices are virtual devices similar to the loopback device. Link local and multicast routes for these devices do not make sense. The ipv6 addrconf code already skips adding a linklocal address; do the same for the mcast route. Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 47f837a58e0a..b12553905e42 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2254,7 +2254,7 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
return ERR_PTR(-EACCES);
/* Add default multicast route */
- if (!(dev->flags & IFF_LOOPBACK))
+ if (!(dev->flags & IFF_LOOPBACK) && !netif_is_l3_master(dev))
addrconf_add_mroute(dev);
return idev;