diff options
Diffstat (limited to 'net/phonet/pn_dev.c')
| -rw-r--r-- | net/phonet/pn_dev.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c index 71fffa587783..6d64fda1afc9 100644 --- a/net/phonet/pn_dev.c +++ b/net/phonet/pn_dev.c @@ -240,6 +240,27 @@ static int phonet_device_autoconf(struct net_device *dev) return 0; } +static void phonet_route_autodel(struct net_device *dev) +{ + struct phonet_net *pnn = net_generic(dev_net(dev), phonet_net_id); + unsigned i; + DECLARE_BITMAP(deleted, 64); + + /* Remove left-over Phonet routes */ + bitmap_zero(deleted, 64); + spin_lock_bh(&pnn->routes.lock); + for (i = 0; i < 64; i++) + if (dev == pnn->routes.table[i]) { + set_bit(i, deleted); + pnn->routes.table[i] = NULL; + dev_put(dev); + } + spin_unlock_bh(&pnn->routes.lock); + for (i = find_first_bit(deleted, 64); i < 64; + i = find_next_bit(deleted, 64, i + 1)) + rtm_phonet_notify(RTM_DELROUTE, dev, i); +} + /* notify Phonet of device events */ static int phonet_device_notify(struct notifier_block *me, unsigned long what, void *arg) @@ -253,6 +274,7 @@ static int phonet_device_notify(struct notifier_block *me, unsigned long what, break; case NETDEV_UNREGISTER: phonet_device_destroy(dev); + phonet_route_autodel(dev); break; } return 0; @@ -287,10 +309,19 @@ static void phonet_exit_net(struct net *net) { struct phonet_net *pnn = net_generic(net, phonet_net_id); struct net_device *dev; + unsigned i; rtnl_lock(); for_each_netdev(net, dev) phonet_device_destroy(dev); + + for (i = 0; i < 64; i++) { + dev = pnn->routes.table[i]; + if (dev) { + rtm_phonet_notify(RTM_DELROUTE, dev, i); + dev_put(dev); + } + } rtnl_unlock(); proc_net_remove(net, "phonet"); |