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74d00a8c38
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
46 lines
1.4 KiB
Diff
46 lines
1.4 KiB
Diff
From: Guillaume Nault <g.nault@alphalink.fr>
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Date: Thu, 19 Nov 2015 12:52:56 +0100
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Subject: [PATCH] ppp: don't set sk_state to PPPOX_ZOMBIE in pppoe_disc_rcv()
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Since 287f3a943fef ("pppoe: Use workqueue to die properly when a PADT
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is received"), pppoe_disc_rcv() disconnects the socket by scheduling
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pppoe_unbind_sock_work(). This is enough to stop socket transmission
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and makes the PPPOX_ZOMBIE state uncessary.
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Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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--- a/drivers/net/ppp/pppoe.c
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+++ b/drivers/net/ppp/pppoe.c
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@@ -500,27 +500,9 @@ static int pppoe_disc_rcv(struct sk_buff
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pn = pppoe_pernet(dev_net(dev));
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po = get_item(pn, ph->sid, eth_hdr(skb)->h_source, dev->ifindex);
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- if (po) {
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- struct sock *sk = sk_pppox(po);
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-
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- bh_lock_sock(sk);
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-
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- /* If the user has locked the socket, just ignore
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- * the packet. With the way two rcv protocols hook into
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- * one socket family type, we cannot (easily) distinguish
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- * what kind of SKB it is during backlog rcv.
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- */
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- if (sock_owned_by_user(sk) == 0) {
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- /* We're no longer connect at the PPPOE layer,
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- * and must wait for ppp channel to disconnect us.
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- */
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- sk->sk_state = PPPOX_ZOMBIE;
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- }
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-
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- bh_unlock_sock(sk);
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+ if (po)
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if (!schedule_work(&po->proto.pppoe.padt_work))
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- sock_put(sk);
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- }
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+ sock_put(sk_pppox(po));
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abort:
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kfree_skb(skb);
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