target/linux/generic/patches-3.18/101-pppoe-fix-disconnect-crash.patch

   1 Fix crash with actions performed on the underlying interface (MAC address,
   2 MTU or link state update). This triggers pppoe_flush_dev(), which cleans up
   3 the device without announcing it in sk->sk_state.
   4
   5 Patch by Guillaume Nault (pulled from netdev@vger)
   6
   7 --- a/drivers/net/ppp/pppoe.c
   8 +++ b/drivers/net/ppp/pppoe.c
   9 @@ -313,7 +313,6 @@ static void pppoe_flush_dev(struct net_d
  10                         if (po->pppoe_dev == dev &&
  11                             sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND | PPPOX_ZOMBIE)) {
  12                                 pppox_unbind_sock(sk);
  13 -                               sk->sk_state = PPPOX_ZOMBIE;
  14                                 sk->sk_state_change(sk);
  15                                 po->pppoe_dev = NULL;
  16                                 dev_put(dev);