diff options
| author | Sean Paul <seanpaul@chromium.org> | 2017-04-04 11:26:14 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-04-04 11:26:14 -0400 |
| commit | c829a33253e018472335b02e6d8bb1bb4213a142 (patch) | |
| tree | 3da5ab428f3d9f0812f288d32d8893a3f16868b9 /net/mpls | |
| parent | 9c4ad466d1dd2e067d5fdb2fcdbcc30fc5c145f9 (diff) | |
| parent | e1b489d207c73e67810659a88c45b8db4bd62773 (diff) | |
Merge airlied/drm-next into drm-misc-next
Backmerging in order to pull vmwgfx [1] and the new synopsys media
format [2] reqs.
[1]- http://patchwork.freedesktop.org/patch/msgid/20170331233255.GA38850@syeh-m02
[2]- http://patchwork.freedesktop.org/patch/msgid/20170403163544.kcw5kk52tgku5xua@art_vandelay
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'net/mpls')
| -rw-r--r-- | net/mpls/af_mpls.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 33211f9a2656..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: @@ -1288,13 +1292,16 @@ static void mpls_ifdown(struct net_device *dev, int event) /* fall through */ case NETDEV_CHANGE: nh->nh_flags |= RTNH_F_LINKDOWN; - if (event != NETDEV_UNREGISTER) - 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); } } |