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45054dc1bf
When shutdown ppp connection, lockdep waring about non-static key will happen, it is caused by the lock is not initialized properly at that time. Fix with tuning the lock/skb_queue_head init order [ 94.339261] INFO: trying to register non-static key. [ 94.342509] the code is fine but needs lockdep annotation. [ 94.342509] turning off the locking correctness validator. [ 94.342509] Pid: 0, comm: swapper Not tainted 2.6.31-mm1 #2 [ 94.342509] Call Trace: [ 94.342509] [<c0248fbe>] register_lock_class+0x58/0x241 [ 94.342509] [<c024b5df>] ? __lock_acquire+0xb57/0xb73 [ 94.342509] [<c024ab34>] __lock_acquire+0xac/0xb73 [ 94.342509] [<c024b7fa>] ? lock_release_non_nested+0x17b/0x1de [ 94.342509] [<c024b662>] lock_acquire+0x67/0x84 [ 94.342509] [<c04cd1eb>] ? skb_dequeue+0x15/0x41 [ 94.342509] [<c054a857>] _spin_lock_irqsave+0x2f/0x3f [ 94.342509] [<c04cd1eb>] ? skb_dequeue+0x15/0x41 [ 94.342509] [<c04cd1eb>] skb_dequeue+0x15/0x41 [ 94.342509] [<c054a648>] ? _read_unlock+0x1d/0x20 [ 94.342509] [<c04cd641>] skb_queue_purge+0x14/0x1b [ 94.342509] [<fab94fdc>] l2cap_recv_frame+0xea1/0x115a [l2cap] [ 94.342509] [<c024b5df>] ? __lock_acquire+0xb57/0xb73 [ 94.342509] [<c0249c04>] ? mark_lock+0x1e/0x1c7 [ 94.342509] [<f8364963>] ? hci_rx_task+0xd2/0x1bc [bluetooth] [ 94.342509] [<fab95346>] l2cap_recv_acldata+0xb1/0x1c6 [l2cap] [ 94.342509] [<f8364997>] hci_rx_task+0x106/0x1bc [bluetooth] [ 94.342509] [<fab95295>] ? l2cap_recv_acldata+0x0/0x1c6 [l2cap] [ 94.342509] [<c02302c4>] tasklet_action+0x69/0xc1 [ 94.342509] [<c022fbef>] __do_softirq+0x94/0x11e [ 94.342509] [<c022fcaf>] do_softirq+0x36/0x5a [ 94.342509] [<c022fe14>] irq_exit+0x35/0x68 [ 94.342509] [<c0204ced>] do_IRQ+0x72/0x89 [ 94.342509] [<c02038ee>] common_interrupt+0x2e/0x34 [ 94.342509] [<c024007b>] ? pm_qos_add_requirement+0x63/0x9d [ 94.342509] [<c038e8a5>] ? acpi_idle_enter_bm+0x209/0x238 [ 94.342509] [<c049d238>] cpuidle_idle_call+0x5c/0x94 [ 94.342509] [<c02023f8>] cpu_idle+0x4e/0x6f [ 94.342509] [<c0534153>] rest_init+0x53/0x55 [ 94.342509] [<c0781894>] start_kernel+0x2f0/0x2f5 [ 94.342509] [<c0781091>] i386_start_kernel+0x91/0x96 Reported-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Tested-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| 9p | ||
| 802 | ||
| 8021q | ||
| appletalk | ||
| atm | ||
| ax25 | ||
| bluetooth | ||
| bridge | ||
| can | ||
| core | ||
| dcb | ||
| dccp | ||
| decnet | ||
| dsa | ||
| econet | ||
| ethernet | ||
| ieee802154 | ||
| ipv4 | ||
| ipv6 | ||
| ipx | ||
| irda | ||
| iucv | ||
| key | ||
| lapb | ||
| llc | ||
| mac80211 | ||
| netfilter | ||
| netlabel | ||
| netlink | ||
| netrom | ||
| packet | ||
| phonet | ||
| rds | ||
| rfkill | ||
| rose | ||
| rxrpc | ||
| sched | ||
| sctp | ||
| sunrpc | ||
| tipc | ||
| unix | ||
| wanrouter | ||
| wimax | ||
| wireless | ||
| x25 | ||
| xfrm | ||
| compat.c | ||
| Kconfig | ||
| Makefile | ||
| nonet.c | ||
| socket.c | ||
| sysctl_net.c | ||
| TUNABLE | ||