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* [IPV6]: RFC 2011 compatibility brokenWang Chen2008-01-21
| | | | | | | | | The snmp6 entry name was changed, and it broke compatibility to RFC 2011. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: ICMP6_MIB_OUTMSGS increment duplicatedWang Chen2008-01-21
| | | | | | | | | | | | icmpv6_send() calls ip6_push_pending_frames() indirectly. Both ip6_push_pending_frames() and icmpv6_send() increment counter ICMP6_MIB_OUTMSGS. This patch remove the increment from icmpv6_send. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: rtnl_link: fix use-after-freePatrick McHardy2008-01-20
| | | | | | | | | | | | | | | | | | | | | | When unregistering the rtnl_link_ops, all existing devices using the ops are destroyed. With nested devices this may lead to a use-after-free despite the use of for_each_netdev_safe() in case the upper device is next in the device list and is destroyed by the NETDEV_UNREGISTER notifier. The easy fix is to restart scanning the device list after removing a device. Alternatively we could add new devices to the front of the list to avoid having dependant devices follow the device they depend on. A third option would be to only restart scanning if dev->iflink of the next device matches dev->ifindex of the current one. For now this seems like the safest solution. With this patch, the veth rtnl_link_ops unregistration can use rtnl_link_unregister() directly since it now also handles destruction of multiple devices at once. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_KEY]: Fix skb leak on pfkey_send_migrate() errorPatrick McHardy2008-01-20
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ATM] atm/suni.c: Fix section mismatch.Adrian Bunk2008-01-20
| | | | | | | | EXPORT_SYMBOL'ed code mustn't be __*init. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ATM] atm/idt77105.c: Fix section mismatch.Adrian Bunk2008-01-20
| | | | | | | | EXPORT_SYMBOL'ed code mustn't be __*init. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IrDA]: af_irda memory leak fixesJesper Juhl2008-01-20
| | | | | | | | | | | Here goes an IrDA patch against your latest net-2.6 tree. This patch fixes some af_irda memory leaks. It also checks for irias_new_obect() return value. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NEIGH]: Revert 'Fix race between neigh_parms_release and neightbl_fill_parms'David S. Miller2008-01-20
| | | | | | | | | | | | Commit 9cd40029423701c376391da59d2c6469672b4bed (Fix race between neigh_parms_release and neightbl_fill_parms) introduced device reference counting regressions for several people, see: http://bugzilla.kernel.org/show_bug.cgi?id=9778 for example. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: bridge-netfilter: fix net_device refcnt leaksPatrick McHardy2008-01-20
| | | | | | | | | | | | | | | | | | | | When packets are flood-forwarded to multiple output devices, the bridge-netfilter code reuses skb->nf_bridge for each clone to store the bridge port. When queueing packets using NFQUEUE netfilter takes a reference to skb->nf_bridge->physoutdev, which is overwritten when the packet is forwarded to the second port. This causes refcount unterflows for the first device and refcount leaks for all others. Additionally this provides incorrect data to the iptables physdev match. Unshare skb->nf_bridge by copying it if it is shared before assigning the physoutdev device. Reported, tested and based on initial patch by Jan Christoph Nordholz <hesso@pool.math.tu-berlin.de>. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6] ROUTE: Make sending algorithm more friendly with RFC 4861.YOSHIFUJI Hideaki2008-01-20
| | | | | | | | | | | | | | | | | | | We omit (or delay) sending NSes for known-to-unreachable routers (in NUD_FAILED state) according to RFC 4191 (Default Router Preferences and More-Specific Routes). But this is not fully compatible with RFC 4861 (Neighbor Discovery Protocol for IPv6), which does not remember unreachability of neighbors. So, let's avoid mixing sending algorithm of RFC 4191 and that of RFC 4861, and make the algorithm more friendly with RFC 4861 if RFC 4191 is disabled. Issue was found by IPv6 Ready Logo Core Self_Test 1.5.0b2 (by TAHI Project), and has been tracked down by Mitsuru Chinen <mitch@linux.vnet.ibm.com>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] FIB_HASH : Avoid unecessary loop in fn_hash_dump_zone()Eric Dumazet2008-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I noticed "ip route list" was slower than "cat /proc/net/route" on a machine with a full Internet routing table (214392 entries : Special thanks to Robert ;) ) This is similar to problem reported in commit d8c9283089287341c85a0a69de32c2287a990e71 ("[IPV4] ROUTE: ip_rt_dump() is unecessary slow") Fix is to avoid scanning the begining of fz_hash table, but directly seek to the right offset. Before patch : time ip route >/tmp/ROUTE real 0m1.285s user 0m0.712s sys 0m0.436s After patch # time ip route >/tmp/ROUTE real 0m0.835s user 0m0.692s sys 0m0.124s Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Fix interrupt semaphore corruption in Intel drivers.David S. Miller2008-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several of the Intel ethernet drivers keep an atomic counter used to manage when to actually hit the hardware with a disable or an enable. The way the net_rx_work() breakout logic works during a pending napi_disable() is that it simply unschedules the poll even if it still has work. This can potentially leave interrupts disabled, but that is OK because all of the drivers are about to disable interrupts anyways in all such code paths that do a napi_disable(). Unfortunately, this trips up the semaphore used here in the Intel drivers. If you hit this case, when you try to bring the interface back up it won't enable interrupts. A reload of the driver module fixes it of course. So what we do is make sure all the sequences now go: napi_disable(); atomic_set(&adapter->irq_sem, 0); *_irq_disable(); which makes sure the counter is always in the correct state. Reported by Robert Olsson. Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] fib_trie: fix duplicated route issueJoonwoo Park2008-01-20
| | | | | | | | | | http://bugzilla.kernel.org/show_bug.cgi?id=9493 The fib allows making identical routes with 'ip route replace'. This patch makes the fib return -EEXIST if replacement would cause duplication. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] fib_hash: fix duplicated route issueJoonwoo Park2008-01-20
| | | | | | | | | | http://bugzilla.kernel.org/show_bug.cgi?id=9493 The fib allows making identical routes with 'ip route replace'. This patch makes the fib return -EEXIST if replacement would cause duplication. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Mischecked tw match in __inet6_check_established.Pavel Emelyanov2008-01-20
| | | | | | | | | | | | | | When looking for a conflicting connection the !sk->sk_bound_dev_if check is performed only for live sockets, but not for timewait-ed. This is not the case for ipv4, for __inet6_lookup_established in both ipv4 and ipv6 and for other places that check for tw-s. Was this missed accidentally? If so, then this patch fixes it and besides makes use if the dif variable declared in the function. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* rfkill: call rfkill_led_trigger_unregister() on errorEric Paris2008-01-20
| | | | | | | | | Code inspection turned up that error cases in rfkill_register() do not call rfkill_led_trigger_unregister() even though we have already registered. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Remove bogus duplicate CONFIG_LGUEST_GUEST entry.Rusty Russell2008-01-20
| | | | | | | | | It was moved to arch/x86/lguest/Kconfig, but I lost the deletion part in a patch suffle. My confused one-liner "fix" to turn it on is also reverted: 84f7466ee20cc094aa38617abfa2f3834871f054 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* arch: Ignore arch/i386 and arch/x86_64Josef 'Jeff' Sipek2008-01-20
| | | | | | | | | | | The i386 and x86_64 arch directories contain nothing but a generated symlink to arch/x86/boot/bzImage when a tree a built. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Anvin <hpa@zytor.com> Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* pata_pdc202xx_old: Fix crashes with ATAPIAlan Cox2008-01-20
| | | | | | | | | | | | The PDC202xx older devices do not support ATAPI DMA via the usual interfaces. What documentation I have isn't sufficient to support DMA and it isn't clear if the Windows drivers do this or it is possible at all. (Neither do the drivers/ide old drivers) So turn it ATAPI DMA off, these are disk optimised controllers. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-01-19
|\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/ipath: Fix receiving UD messages with immediate data
| * IB/ipath: Fix receiving UD messages with immediate dataRalph Campbell2008-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a small bug in ipath_ud_rcv()'s handling of UD messages with immediate data. We need to test whether immediate data is present and update the header size accordingly *before* testing the packet size from the header against the actual received length. Otherwise the wrong header size will be used and all messages with immediate data will be dropped. This bug keeps MVAPICH-UD and HP MPI from working at all on ipath devices. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
* | Merge branch 'upstream-linus' of ↵Linus Torvalds2008-01-18
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (31 commits) Replace cpmac fix dl2k: the rest dl2k: MSCR, MSSR, ESR, PHY_SCR fixes dl2k: BMSR fixes dl2k: ANAR, ANLPAR fixes dl2k: BMCR_t fixes 3c574, 3c515 bitfields abuse sbni endian fixes wan/lmc bitfields fixes dscc4 endian fixes S2io: Fixed synchronization between scheduling of napi with card reset and close atl1: fix frame length bug Documentation: add a guideline for hard_start_xmit method Revert "sky2: remove check for PCI wakeup setting from BIOS" e1000e Kconfig: remove ref to nonexistant docs bonding: Don't hold lock when calling rtnl_unlock bonding: fix lock ordering for rtnl and bonding_rwsem bonding: Fix up parameter parsing bonding: release slaves when master removed via sysfs bonding: fix locking during alb failover and slave removal ...
| * | Replace cpmac fixMatteo Croce2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | Please apply this patch since i reverted by mistake the commit 4e3ab47a547616e583c7a5458beced6aa34c8ef3 in 6cd043d99dcf5d252fcc682958541f449113f7b3 Signed-off-by: Matteo Croce <technoboy85@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | dl2k: the restAl Viro2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | remove an unused union-with-bitfield of the same sort, add missing conversions in debugging printk Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | dl2k: MSCR, MSSR, ESR, PHY_SCR fixesAl Viro2008-01-18
| | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | dl2k: BMSR fixesAl Viro2008-01-18
| | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | dl2k: ANAR, ANLPAR fixesAl Viro2008-01-18
| | | | | | | | | | | | | | | | | | | | | same story, different registers... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | dl2k: BMCR_t fixesAl Viro2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | broken use of bitfields; FUBAR on big-endian (and not valid C, strictly speaking). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | 3c574, 3c515 bitfields abuseAl Viro2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | wn3_config is shared by these cards; the way we deal with it is both bad C (union abuse) and broken on big-endian. For 3c515 it's less serious (ISA cards are quite rare outside of little-endian boxen), but 3c574 is a pcmcia one and that'd better be endian-independent... Fix is the same in both cases. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | sbni endian fixesAl Viro2008-01-18
| | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | wan/lmc bitfields fixesAl Viro2008-01-18
| | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | dscc4 endian fixesAl Viro2008-01-18
| | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | S2io: Fixed synchronization between scheduling of napi with card reset and closeSreenivasa Honnur2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Fixed synchronization between scheduling of napi with card reset and close by moving the enabling and disabling of napi to card up and card down functions respectively instead of open and close. Signed-off-by: Surjit Reang <surjit.reang@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | atl1: fix frame length bugJay Cliburn2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The driver sets up the hardware to accept a frame with max length equal to MTU + Ethernet header + FCS + VLAN tag, but we neglect to add the VLAN tag size to the ingress buffer. When a VLAN-tagged frame arrives, the hardware passes it, but bad things happen because the buffer is too small. This patch fixes that. Thanks to David Harris for reporting the bug and testing the fix. Tested-by: David Harris <david.harris@cpni-inc.com> Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | Documentation: add a guideline for hard_start_xmit methodMatti Linnanvuori2008-01-18
| | | | | | | | | | | | | | | | | | | | | Add a guideline not to modify SKBs. Signed-off-by: Matti Linnanvuori <mattilinnanvuori@yahoo.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | Revert "sky2: remove check for PCI wakeup setting from BIOS"Stephen Hemminger2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 84cd2dfb04d23a961c5f537baa243fa54d0987ac. Some BIOS's break if Wake On Lan is enabled, and the machine can't boot. Better to have some user's have to call ethtool to enable WOL than to break a single user's boot. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | Merge branch 'fixes-jgarzik' of ↵Jeff Garzik2008-01-18
| |\ \ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
| | * | rt2x00: Fix ieee80211 payload alignmentIvo van Doorn2008-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As Johannes Berg indicated, the NET_IP_ALIGN doesn't need to be used for ieee80211 frames. This means we can simplify the alignment calculation to just use the result of the header size modulus 4 as frame alignment. Furthermore we shouldn't use NET_IP_ALIGN in rt2x00usb because it could be 0 on some architectures and we absolutely need to have 2 bytes reserved for possible aligning. Signed-off-by: Ivo van Doorn<IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * | b43: fix use-after-free rfkill bugStefano Brivio2008-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix rfkill code which caused a use-after-free bug. Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it> Acked-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * | ipw2200: fix typo in kerneldocStefano Brivio2008-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a typo in kerneldoc for ipw2200. Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * | wireless/libertas support for 88w8385 sdio older revisionMarc Pignat2008-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Identifiaction of another revision of 88w8385 in sdio mode. Signed-off-by: Marc Pignat <marc.pignat@hevs.ch> Acked-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * | hostap: section mismatch warningRandy Dunlap2008-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix section mismatch by changing variable name to match one of the whitelisted (allowable) names for pointing into init data: WARNING: vmlinux.o(.data+0xce618): Section mismatch: reference to .init.data:prism2_plx_id_table (between 'prism2_plx_drv_id' and 'dev_info') Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | e1000e Kconfig: remove ref to nonexistant docsJason Uhlenkott2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no Documentation/networking/e1000e.txt. Signed-off-by: Jason Uhlenkott <jasonuhl@jasonuhl.org> Cc: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | Merge branch 'ipg-fixes' of ↵Jeff Garzik2008-01-18
| |\ \ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/romieu/netdev-2.6 into upstream-fixes
| | * | | ipg: fix Tx completion irq requestFrancois Romieu2008-01-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current logic will only request an ack for the first pending packet. No irq is triggered as soon as the CPU submits a few packets a bit quickly. Let's request an irq for every packet instead. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
| | * | | ipg: fix queue stop condition in the xmit handlerFrancois Romieu2008-01-17
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
| | * | | ipg: plug Tx completion leakFrancois Romieu2008-01-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Tx skb release could not free more than one skb per call. Add it to the fact that the xmit handler does not check for a queue full condition and you have a recipe to leak quickly. Let's release every pending Tx descriptor which has been given back to the host CPU by the network controller. The xmit handler suggests that it is done through the IPG_TFC_TFDDONE bit. Remove the former "curr" computing: it does not produce anything usable in its current form. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
| | * | | ipg: balance locking in irq handlerFrancois Romieu2008-01-17
| | | | | | | | | | | | | | | | | | | | | | | | | Spotted-by: <linux@horizon.com> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
| * | | | bonding: Don't hold lock when calling rtnl_unlockJay Vosburgh2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change bond_mii_monitor to not hold any locks when calling rtnl_unlock, as rtnl_unlock can sleep (when acquring another mutex in netdev_run_todo). Bug reported by Makito SHIOKAWA <mshiokawa@miraclelinux.com>, who included a different patch. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * | | | bonding: fix lock ordering for rtnl and bonding_rwsemJay Vosburgh2008-01-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the handling of rtnl and the bonding_rwsem to always be acquired in a consistent order (rtnl, then bonding_rwsem). The existing code sometimes acquired them in this order, and sometimes in the opposite order, which opens a window for deadlock between ifenslave and sysfs. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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