diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-29 08:58:53 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-29 08:58:53 +0200 |
| commit | 53c1cf42817899f88114c28c6bbe4fe0f3c8afb6 (patch) | |
| tree | 57bff7c4bb6e14af2e98d4f4b170abf06cf95415 /net/mpls/af_mpls.c | |
| parent | 896d81fefe5d1919537db2c2150ab6384e4a6610 (diff) | |
| parent | c02ed2e75ef4c74e41e421acb4ef1494671585e8 (diff) | |
Merge 4.11-rc4 into tty-next
We want the tty/serial fixes in here to handle bugfixes and merge
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/mpls/af_mpls.c')
| -rw-r--r-- | net/mpls/af_mpls.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 3818686182b2..6414079aa729 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -1269,6 +1269,8 @@ static void mpls_ifdown(struct net_device *dev, int event) { struct mpls_route __rcu **platform_label; struct net *net = dev_net(dev); + unsigned int nh_flags = RTNH_F_DEAD | RTNH_F_LINKDOWN; + unsigned int alive; unsigned index; platform_label = rtnl_dereference(net->mpls.platform_label); @@ -1278,9 +1280,11 @@ static void mpls_ifdown(struct net_device *dev, int event) if (!rt) continue; + alive = 0; change_nexthops(rt) { if (rtnl_dereference(nh->nh_dev) != dev) - continue; + goto next; + switch (event) { case NETDEV_DOWN: case NETDEV_UNREGISTER: @@ -1288,12 +1292,16 @@ static void mpls_ifdown(struct net_device *dev, int event) /* fall through */ case NETDEV_CHANGE: nh->nh_flags |= RTNH_F_LINKDOWN; - ACCESS_ONCE(rt->rt_nhn_alive) = rt->rt_nhn_alive - 1; break; } if (event == NETDEV_UNREGISTER) RCU_INIT_POINTER(nh->nh_dev, NULL); +next: + if (!(nh->nh_flags & nh_flags)) + alive++; } endfor_nexthops(rt); + + WRITE_ONCE(rt->rt_nhn_alive, alive); } } @@ -2028,6 +2036,7 @@ static void mpls_net_exit(struct net *net) for (index = 0; index < platform_labels; index++) { struct mpls_route *rt = rtnl_dereference(platform_label[index]); RCU_INIT_POINTER(platform_label[index], NULL); + mpls_notify_route(net, index, rt, NULL, NULL); mpls_rt_free(rt); } rtnl_unlock(); |