diff options
| -rw-r--r-- | target/linux/generic/patches-3.18/081-06-ppp-don-t-set-sk_state-to-PPPOX_ZOMBIE-in-pppoe_disc.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/081-06-ppp-don-t-set-sk_state-to-PPPOX_ZOMBIE-in-pppoe_disc.patch b/target/linux/generic/patches-3.18/081-06-ppp-don-t-set-sk_state-to-PPPOX_ZOMBIE-in-pppoe_disc.patch index e69de29bb2..8d155eba1d 100644 --- a/target/linux/generic/patches-3.18/081-06-ppp-don-t-set-sk_state-to-PPPOX_ZOMBIE-in-pppoe_disc.patch +++ b/target/linux/generic/patches-3.18/081-06-ppp-don-t-set-sk_state-to-PPPOX_ZOMBIE-in-pppoe_disc.patch @@ -0,0 +1,45 @@ +From: Guillaume Nault <g.nault@alphalink.fr> +Date: Thu, 19 Nov 2015 12:52:56 +0100 +Subject: [PATCH] ppp: don't set sk_state to PPPOX_ZOMBIE in pppoe_disc_rcv() + +Since 287f3a943fef ("pppoe: Use workqueue to die properly when a PADT +is received"), pppoe_disc_rcv() disconnects the socket by scheduling +pppoe_unbind_sock_work(). This is enough to stop socket transmission +and makes the PPPOX_ZOMBIE state uncessary. + +Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + +--- a/drivers/net/ppp/pppoe.c ++++ b/drivers/net/ppp/pppoe.c +@@ -500,27 +500,9 @@ static int pppoe_disc_rcv(struct sk_buff + + pn = pppoe_pernet(dev_net(dev)); + po = get_item(pn, ph->sid, eth_hdr(skb)->h_source, dev->ifindex); +- if (po) { +- struct sock *sk = sk_pppox(po); +- +- bh_lock_sock(sk); +- +- /* If the user has locked the socket, just ignore +- * the packet. With the way two rcv protocols hook into +- * one socket family type, we cannot (easily) distinguish +- * what kind of SKB it is during backlog rcv. +- */ +- if (sock_owned_by_user(sk) == 0) { +- /* We're no longer connect at the PPPOE layer, +- * and must wait for ppp channel to disconnect us. +- */ +- sk->sk_state = PPPOX_ZOMBIE; +- } +- +- bh_unlock_sock(sk); ++ if (po) + if (!schedule_work(&po->proto.pppoe.padt_work)) +- sock_put(sk); +- } ++ sock_put(sk_pppox(po)); + + abort: + kfree_skb(skb); |