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2011-02-25net: handle addr_type of 0 properlyHagen Paul Pfeifer
addr_type of 0 means that the type should be adopted from from_dev and not from __hw_addr_del_multiple(). Unfortunately it isn't so and addr_type will always be considered. Fix this by implementing the considered and documented behavior. Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25sysctl: ipv6: use correct net in ipv6_sysctl_rtcache_flushLucian Adrian Grijincu
Before this patch issuing these commands: fd = open("/proc/sys/net/ipv6/route/flush") unshare(CLONE_NEWNET) write(fd, "stuff") would flush the newly created net, not the original one. The equivalent ipv4 code is correct (stores the net inside ->extra1). Acked-by: Daniel Lezcano <daniel.lezcano@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-24skge: don't mark carrier down at startStephen Hemminger
The API for network devices has changed so that setting carrier off at probe is no longer required. This should fix the IPv6 addrconf issue. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=29612 Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Reported-by: George Billios <gbillios@gmail.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23Merge branch 'r8169-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/romieu/netdev-2.6
2011-02-23Added support for usb ethernet (0x0fe6, 0x9700)Shahar Havivi
The device is very similar to (0x0fe6, 0x8101), And works well with dm9601 driver. Signed-off-by: Shahar Havivi <shaharh@redhat.com> Acked-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23r8169: fix RTL8168DP power off issue.Hayes Wang
- fix the RTL8111DP turn off the power when DASH is enabled. - RTL_GIGA_MAC_VER_27 must wait for tx finish before reset. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-02-23r8169: correct settings of rtl8102e.Hayes Wang
Adjust and remove certain settings of RTL8102E which are for previous chips. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-off-by: Francois Romieu <romieu@fr.zoreil.com>
2011-02-23r8169: fix incorrect args to oob notify.Hayes Wang
It results in the wrong point address and influences RTL8168DP. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Acked-by: Francois Romieu <romieu@fr.zoreil.com>
2011-02-23DM9000B: Fix PHY power for network down/upHenry Nestler
DM9000 revision B needs 1 ms delay after PHY power-on. PHY must be powered on by writing 0 into register DM9000_GPR before all other settings will change (see Davicom spec and example code). Remember, that register DM9000_GPR was not changed by reset sequence. Without this fix the FIFO is out of sync and sends wrong data after sequence of "ifconfig ethX down ; ifconfig ethX up". Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23DM9000B: Fix reg_save after spin_lock in dm9000_timeoutHenry Nestler
The spin_lock should hold before reading register. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23net_sched: long word align struct qdisc_skb_cb dataEric Dumazet
netem_skb_cb() does : return (struct netem_skb_cb *)qdisc_skb_cb(skb)->data; Unfortunatly struct qdisc_skb_cb data is not long word aligned, so access to psched_time_t time_to_send uses a non aligned access. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2011-02-22sfc: lower stack usage in efx_ethtool_self_testEric Dumazet
drivers/net/sfc/ethtool.c: In function ‘efx_ethtool_self_test’: drivers/net/sfc/ethtool.c:613: warning: the frame size of 1200 bytes is larger than 1024 bytes Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22bridge: Use IPv6 link-local address for multicast listener queriesLinus Lüssing
Currently the bridge multicast snooping feature periodically issues IPv6 general multicast listener queries to sense the absence of a listener. For this, it uses :: as its source address - however RFC 2710 requires: "To be valid, the Query message MUST come from a link-local IPv6 Source Address". Current Linux kernel versions seem to follow this requirement and ignore our bogus MLD queries. With this commit a link local address from the bridge interface is being used to issue the MLD query, resulting in other Linux devices which are multicast listeners in the network to respond with a MLD response (which was not the case before). Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22bridge: Fix MLD queries' ethernet source addressLinus Lüssing
Map the IPv6 header's destination multicast address to an ethernet source address instead of the MLD queries multicast address. For instance for a general MLD query (multicast address in the MLD query set to ::), this would wrongly be mapped to 33:33:00:00:00:00, although an MLD queries destination MAC should always be 33:33:00:00:00:01 which matches the IPv6 header's multicast destination ff02::1. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22bridge: Allow mcast snooping for transient link local addresses tooLinus Lüssing
Currently the multicast bridge snooping support is not active for link local multicast. I assume this has been done to leave important multicast data untouched, like IPv6 Neighborhood Discovery. In larger, bridged, local networks it could however be desirable to optimize for instance local multicast audio/video streaming too. With the transient flag in IPv6 multicast addresses we have an easy way to optimize such multimedia traffic without tempering with the high priority multicast data from well-known addresses. This patch alters the multicast bridge snooping for IPv6, to take effect for transient multicast addresses instead of non-link-local addresses. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22ipv6: Add IPv6 multicast address flag definesLinus Lüssing
This commit adds the missing IPv6 multicast address flag defines to complement the already existing multicast address scope defines and to be able to check these flags nicely in the future. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22bridge: Add missing ntohs()s for MLDv2 report parsingLinus Lüssing
The nsrcs number is 2 Byte wide, therefore we need to call ntohs() before using it. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22bridge: Fix IPv6 multicast snooping by correcting offset in MLDv2 reportLinus Lüssing
We actually want a pointer to the grec_nsrcr and not the following field. Otherwise we can get very high values for *nsrcs as the first two bytes of the IPv6 multicast address are being used instead, leading to a failing pskb_may_pull() which results in MLDv2 reports not being parsed. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22bridge: Fix IPv6 multicast snooping by storing correct protocol typeLinus Lüssing
The protocol type for IPv6 entries in the hash table for multicast bridge snooping is falsely set to ETH_P_IP, marking it as an IPv4 address, instead of setting it to ETH_P_IPV6, which results in negative look-ups in the hash table later. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-21p54pci: update receive dma buffers before and after processingChristian Lamparter
Documentation/DMA-API-HOWTO.txt states: "DMA transfers need to be synced properly in order for the cpu and device to see the most uptodate and correct copy of the DMA buffer." Cc: <stable@kernel.org> Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-21fix cfg80211_wext_siwfreq lock ordering...Daniel J Blueman
I previously managed to reproduce a hang while scanning wireless channels (reproducible with airodump-ng hopping channels); subsequent lockdep instrumentation revealed a lock ordering issue. Without knowing the design intent, it looks like the locks should be taken in reverse order; please comment. ======================================================= [ INFO: possible circular locking dependency detected ] 2.6.38-rc5-341cd #4 ------------------------------------------------------- airodump-ng/15445 is trying to acquire lock: (&rdev->devlist_mtx){+.+.+.}, at: [<ffffffff816b1266>] cfg80211_wext_siwfreq+0xc6/0x100 but task is already holding lock: (&wdev->mtx){+.+.+.}, at: [<ffffffff816b125c>] cfg80211_wext_siwfreq+0xbc/0x100 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&wdev->mtx){+.+.+.}: [<ffffffff810a79d6>] lock_acquire+0xc6/0x280 [<ffffffff816d6bce>] mutex_lock_nested+0x6e/0x4b0 [<ffffffff81696080>] cfg80211_netdev_notifier_call+0x430/0x5f0 [<ffffffff8109351b>] notifier_call_chain+0x8b/0x100 [<ffffffff810935b1>] raw_notifier_call_chain+0x11/0x20 [<ffffffff81576d92>] call_netdevice_notifiers+0x32/0x60 [<ffffffff815771a4>] __dev_notify_flags+0x34/0x80 [<ffffffff81577230>] dev_change_flags+0x40/0x70 [<ffffffff8158587c>] do_setlink+0x1fc/0x8d0 [<ffffffff81586042>] rtnl_setlink+0xf2/0x140 [<ffffffff81586923>] rtnetlink_rcv_msg+0x163/0x270 [<ffffffff8159d741>] netlink_rcv_skb+0xa1/0xd0 [<ffffffff815867b0>] rtnetlink_rcv+0x20/0x30 [<ffffffff8159d39a>] netlink_unicast+0x2ba/0x300 [<ffffffff8159dd57>] netlink_sendmsg+0x267/0x3e0 [<ffffffff8155e364>] sock_sendmsg+0xe4/0x110 [<ffffffff8155f3a3>] sys_sendmsg+0x253/0x3b0 [<ffffffff81003192>] system_call_fastpath+0x16/0x1b -> #0 (&rdev->devlist_mtx){+.+.+.}: [<ffffffff810a7222>] __lock_acquire+0x1622/0x1d10 [<ffffffff810a79d6>] lock_acquire+0xc6/0x280 [<ffffffff816d6bce>] mutex_lock_nested+0x6e/0x4b0 [<ffffffff816b1266>] cfg80211_wext_siwfreq+0xc6/0x100 [<ffffffff816b2fad>] ioctl_standard_call+0x5d/0xd0 [<ffffffff816b3223>] T.808+0x163/0x170 [<ffffffff816b326a>] wext_handle_ioctl+0x3a/0x90 [<ffffffff815798d2>] dev_ioctl+0x6f2/0x830 [<ffffffff8155cf3d>] sock_ioctl+0xfd/0x290 [<ffffffff8117dffd>] do_vfs_ioctl+0x9d/0x590 [<ffffffff8117e53a>] sys_ioctl+0x4a/0x80 [<ffffffff81003192>] system_call_fastpath+0x16/0x1b other info that might help us debug this: 2 locks held by airodump-ng/15445: #0: (rtnl_mutex){+.+.+.}, at: [<ffffffff81586782>] rtnl_lock+0x12/0x20 #1: (&wdev->mtx){+.+.+.}, at: [<ffffffff816b125c>] cfg80211_wext_siwfreq+0xbc/0x100 stack backtrace: Pid: 15445, comm: airodump-ng Not tainted 2.6.38-rc5-341cd #4 Call Trace: [<ffffffff810a3f0a>] ? print_circular_bug+0xfa/0x100 [<ffffffff810a7222>] ? __lock_acquire+0x1622/0x1d10 [<ffffffff810a1f99>] ? trace_hardirqs_off_caller+0x29/0xc0 [<ffffffff810a79d6>] ? lock_acquire+0xc6/0x280 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100 [<ffffffff810a31d7>] ? mark_held_locks+0x67/0x90 [<ffffffff816d6bce>] ? mutex_lock_nested+0x6e/0x4b0 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100 [<ffffffff810a31d7>] ? mark_held_locks+0x67/0x90 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100 [<ffffffff816b2fad>] ? ioctl_standard_call+0x5d/0xd0 [<ffffffff8157818b>] ? __dev_get_by_name+0x9b/0xc0 [<ffffffff816b2f50>] ? ioctl_standard_call+0x0/0xd0 [<ffffffff816b3223>] ? T.808+0x163/0x170 [<ffffffff8112ddf2>] ? might_fault+0x72/0xd0 [<ffffffff816b326a>] ? wext_handle_ioctl+0x3a/0x90 [<ffffffff8112de3b>] ? might_fault+0xbb/0xd0 [<ffffffff815798d2>] ? dev_ioctl+0x6f2/0x830 [<ffffffff810a1bae>] ? put_lock_stats+0xe/0x40 [<ffffffff810a1c8c>] ? lock_release_holdtime+0xac/0x150 [<ffffffff8155cf3d>] ? sock_ioctl+0xfd/0x290 [<ffffffff8117dffd>] ? do_vfs_ioctl+0x9d/0x590 [<ffffffff8116c8ff>] ? fget_light+0x1df/0x3c0 [<ffffffff8117e53a>] ? sys_ioctl+0x4a/0x80 [<ffffffff81003192>] ? system_call_fastpath+0x16/0x1b Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-21rt2x00: Fix WPA TKIP Michael MIC failures.Gertjan van Wingerde
As reported and found by Johannes Stezenbach: rt2800{pci,usb} do not report the Michael MIC in RXed frames, but do check the Michael MIC in hardware. Therefore we have to report to mac80211 that the received frame does not include the Michael MIC. https://bugzilla.kernel.org/show_bug.cgi?id=16608 Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-21ath5k: Fix fast channel switchingNick Kossifidis
Fast channel change fixes: a) Always set OFDM timings b) Don't re-activate PHY c) Enable only NF calibration, not AGC https://bugzilla.kernel.org/show_bug.cgi?id=27382 Signed-off-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-21tcp: undo_retrans counter fixesYuchung Cheng
Fix a bug that undo_retrans is incorrectly decremented when undo_marker is not set or undo_retrans is already 0. This happens when sender receives more DSACK ACKs than packets retransmitted during the current undo phase. This may also happen when sender receives DSACK after the undo operation is completed or cancelled. Fix another bug that undo_retrans is incorrectly incremented when sender retransmits an skb and tcp_skb_pcount(skb) > 1 (TSO). This case is rare but not impossible. Signed-off-by: Yuchung Cheng <ycheng@google.com> Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-20net: Fix more stale on-stack list_head objects.Eric W. Biederman
From: Eric W. Biederman <ebiederm@xmission.com> In the beginning with batching unreg_list was a list that was used only once in the lifetime of a network device (I think). Now we have calls using the unreg_list that can happen multiple times in the life of a network device like dev_deactivate and dev_close that are also using the unreg_list. In addition in unregister_netdevice_queue we also do a list_move because for devices like veth pairs it is possible that unregister_netdevice_queue will be called multiple times. So I think the change below to fix dev_deactivate which Eric D. missed will fix this problem. Now to go test that. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-19sctp: fix reporting of unknown parametersJiri Bohac
commit 5fa782c2f5ef6c2e4f04d3e228412c9b4a4c8809 re-worked the handling of unknown parameters. sctp_init_cause_fixed() can now return -ENOSPC if there is not enough tailroom in the error chunk skb. When this happens, the error header is not appended to the error chunk. In that case, the payload of the unknown parameter should not be appended either. Signed-off-by: Jiri Bohac <jbohac@suse.cz> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-19net: dcb: match dcb_app protocol field with 802.1Qaz specJohn Fastabend
The dcb_app protocol field is a __u32 however the 802.1Qaz specification defines it as a 16 bit field. This patch brings the structure inline with the spec making it a __u16. CC: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-19tcp: fix inet_twsk_deschedule()Eric Dumazet
Eric W. Biederman reported a lockdep splat in inet_twsk_deschedule() This is caused by inet_twsk_purge(), run from process context, and commit 575f4cd5a5b6394577 (net: Use rcu lookups in inet_twsk_purge.) removed the BH disabling that was necessary. Add the BH disabling but fine grained, right before calling inet_twsk_deschedule(), instead of whole function. With help from Linus Torvalds and Eric W. Biederman Reported-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Daniel Lezcano <daniel.lezcano@free.fr> CC: Pavel Emelyanov <xemul@openvz.org> CC: Arnaldo Carvalho de Melo <acme@redhat.com> CC: stable <stable@kernel.org> (# 2.6.33+) Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-19Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2011-02-18Merge branch 'rtc-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'rtc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: RTC: Re-enable UIE timer/polling emulation RTC: Revert UIE emulation removal RTC: Release mutex in error path of rtc_alarm_irq_enable
2011-02-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits) net: deinit automatic LIST_HEAD net: dont leave active on stack LIST_HEAD net: provide default_advmss() methods to blackhole dst_ops tg3: Restrict phy ioctl access drivers/net: Call netif_carrier_off at the end of the probe ixgbe: work around for DDP last buffer size ixgbe: fix panic due to uninitialised pointer e1000e: flush all writebacks before unload e1000e: check down flag in tasks isdn: hisax: Use l2headersize() instead of dup (and buggy) func. arp_notify: unconditionally send gratuitous ARP for NETDEV_NOTIFY_PEERS. cxgb4vf: Use defined Mailbox Timeout cxgb4vf: Quiesce Virtual Interfaces on shutdown ... cxgb4vf: Behave properly when CONFIG_DEBUG_FS isn't defined ... cxgb4vf: Check driver parameters in the right place ... pch_gbe: Fix the MAC Address load issue. iwlwifi: Delete iwl3945_good_plcp_health. net/can/softing: make CAN_SOFTING_CS depend on CAN_SOFTING netfilter: nf_iterate: fix incorrect RCU usage pch_gbe: Fix the issue that the receiving data is not normal. ...
2011-02-18ath5k: Correct channel setting for AR2317 chipNikolay Ledovskikh
Correct channel setting function must be used for AR2317. When I tested ahb patch on bullet2 all seemed to work fine, but it couldn't connect another host (using ibss for example). During an analysis I observed that it's transmitting on another channel. I looked into madwifi code and understood that the problem is in channel setting function. So atheros RF2317 not fully handled in the current ath5k version and must be patched. Signed-off-by: Nikolay Ledovskikh <nledovskikh@gmail.com> Acked-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-18wireless: rt2x00: rt2800pci.c: add two idsXose Vazquez Perez
taken two RT35XX EDIMAX from DPO_RT3562_3592_3062_LinuxSTA_V2.4.1.1_20101217 Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-18mac80211: fix conn_mon_timer running after disassociateStanislaw Gruszka
Low level driver could pass rx frames to us after disassociate, what can lead to run conn_mon_timer by ieee80211_sta_rx_notify(). That is obviously wrong, but nothing happens until we unload modules and resources are used after free. If kernel debugging is enabled following warning could be observed: WARNING: at lib/debugobjects.c:259 debug_print_object+0x65/0x70() Hardware name: HP xw8600 Workstation ODEBUG: free active (active state 0) object type: timer_list Modules linked in: iwlagn(-) iwlcore mac80211 cfg80211 aes_x86_64 aes_generic fuse cpufreq_ondemand acpi_cpufreq freq_table mperf xt_physdev ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 ext3 jbd dm_mirror dm_region_hash dm_log dm_mod uinput hp_wmi sparse_keymap sg wmi arc4 microcode serio_raw ecb tg3 shpchp rfkill ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif firewire_ohci firewire_core crc_itu_t mptsas mptscsih mptbase scsi_transport_sas ahci libahci pata_acpi ata_generic ata_piix floppy nouveau ttm drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: cfg80211] Pid: 13827, comm: rmmod Tainted: G W 2.6.38-rc4-wl+ #22 Call Trace: [<ffffffff810649cf>] ? warn_slowpath_common+0x7f/0xc0 [<ffffffff81064ac6>] ? warn_slowpath_fmt+0x46/0x50 [<ffffffff81226fc5>] ? debug_print_object+0x65/0x70 [<ffffffff81227625>] ? debug_check_no_obj_freed+0x125/0x210 [<ffffffff8109ebd7>] ? debug_check_no_locks_freed+0xf7/0x170 [<ffffffff81156092>] ? kfree+0xc2/0x2f0 [<ffffffff813ec5c5>] ? netdev_release+0x45/0x60 [<ffffffff812f1067>] ? device_release+0x27/0xa0 [<ffffffff81216ddd>] ? kobject_release+0x8d/0x1a0 [<ffffffff81216d50>] ? kobject_release+0x0/0x1a0 [<ffffffff812183b7>] ? kref_put+0x37/0x70 [<ffffffff81216c57>] ? kobject_put+0x27/0x60 [<ffffffff813d5d1b>] ? netdev_run_todo+0x1ab/0x270 [<ffffffff813e771e>] ? rtnl_unlock+0xe/0x10 [<ffffffffa0581188>] ? ieee80211_unregister_hw+0x58/0x120 [mac80211] [<ffffffffa0377ed7>] ? iwl_pci_remove+0xdb/0x22a [iwlagn] [<ffffffff8123cde2>] ? pci_device_remove+0x52/0x120 [<ffffffff812f5205>] ? __device_release_driver+0x75/0xe0 [<ffffffff812f5348>] ? driver_detach+0xd8/0xe0 [<ffffffff812f4111>] ? bus_remove_driver+0x91/0x100 [<ffffffff812f5b62>] ? driver_unregister+0x62/0xa0 [<ffffffff8123d194>] ? pci_unregister_driver+0x44/0xa0 [<ffffffffa0377df5>] ? iwl_exit+0x15/0x1c [iwlagn] [<ffffffff810ab492>] ? sys_delete_module+0x1a2/0x270 [<ffffffff81498889>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff8100bf42>] ? system_call_fastpath+0x16/0x1b Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-18Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-2.6
2011-02-18Merge branch 'for-linus/bugfixes' of git://xenbits.xen.org/people/ianc/linux-2.6Linus Torvalds
* 'for-linus/bugfixes' of git://xenbits.xen.org/people/ianc/linux-2.6: xen: suspend and resume system devices when running PVHVM
2011-02-18Merge branch 'fixes-2.6.38' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq * 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: make sure MAYDAY_INITIAL_TIMEOUT is at least 2 jiffies long workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable' workqueue: wake up a worker when a rescuer is leaving a gcwq
2011-02-18net: deinit automatic LIST_HEADEric Dumazet
commit 9b5e383c11b08784 (net: Introduce unregister_netdevice_many()) left an active LIST_HEAD() in rollback_registered(), with possible memory corruption. Even if device is freed without touching its unreg_list (and therefore touching the previous memory location holding LISTE_HEAD(single), better close the bug for good, since its really subtle. (Same fix for default_device_exit_batch() for completeness) Reported-by: Michal Hocko <mhocko@suse.cz> Tested-by: Michal Hocko <mhocko@suse.cz> Reported-by: Eric W. Biderman <ebiderman@xmission.com> Tested-by: Eric W. Biderman <ebiderman@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Ingo Molnar <mingo@elte.hu> CC: Octavian Purdila <opurdila@ixiacom.com> CC: stable <stable@kernel.org> [.33+] Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-18net: dont leave active on stack LIST_HEADLinus Torvalds
Eric W. Biderman and Michal Hocko reported various memory corruptions that we suspected to be related to a LIST head located on stack, that was manipulated after thread left function frame (and eventually exited, so its stack was freed and reused). Eric Dumazet suggested the problem was probably coming from commit 443457242beb (net: factorize sync-rcu call in unregister_netdevice_many) This patch fixes __dev_close() and dev_close() to properly deinit their respective LIST_HEAD(single) before exiting. References: https://lkml.org/lkml/2011/2/16/304 References: https://lkml.org/lkml/2011/2/14/223 Reported-by: Michal Hocko <mhocko@suse.cz> Tested-by: Michal Hocko <mhocko@suse.cz> Reported-by: Eric W. Biderman <ebiderman@xmission.com> Tested-by: Eric W. Biderman <ebiderman@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Ingo Molnar <mingo@elte.hu> CC: Octavian Purdila <opurdila@ixiacom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-18net: provide default_advmss() methods to blackhole dst_opsEric Dumazet
Commit 0dbaee3b37e118a (net: Abstract default ADVMSS behind an accessor.) introduced a possible crash in tcp_connect_init(), when dst->default_advmss() is called from dst_metric_advmss() Reported-by: George Spelvin <linux@horizon.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-18Expand CONFIG_DEBUG_LIST to several other list operationsLinus Torvalds
When list debugging is enabled, we aim to readably show list corruption errors, and the basic list_add/list_del operations end up having extra debugging code in them to do some basic validation of the list entries. However, "list_del_init()" and "list_move[_tail]()" ended up avoiding the debug code due to how they were written. This fixes that. So the _next_ time we have list_move() problems with stale list entries, we'll hopefully have an easier time finding them.. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-17Merge branch 'pm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM / Hibernate: Return error code when alloc_image_page() fails
2011-02-17Merge branch 'drm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: add missing frac fb div flag for dce4+ drm/radeon/kms: do not reject X16 and Y16X16 floating-point formats on r300 drm/nouveau: fix suspend/resume on GPUs that don't have PM support drm/nouveau: flips/flipd need to always set 'evict' for move_accel_cleanup() drm/nv40: fix tiling-related setup for a number of chipsets drm/nouveau: fix non-EDIDful native mode selection drm/nouveau: Fix detection of DDC-based LVDS on DCB15 boards. drm/nv04-nv40: Fix NULL dereference when we fail to find an LVDS native mode. drm/nv10: Fix crash when allocating a BO larger than half the available VRAM.
2011-02-17Merge branch 'for-linus' of ↵Linus Torvalds
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/qib: Prevent double completions after a timeout or RNR error IB/qib: Fix double add_timer() RDMA/nes: Don't generate async events for unregistered devices
2011-02-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix NMI startup bug which also breaks perf. sparc: fix size argument to find_next_zero_bit() sparc: use bitmap_set() sparc32: unaligned memory access (MNA) trap handler bug
2011-02-17fs/partitions: Validate map_count in Mac partition tablesTimo Warns
Validate number of blocks in map and remove redundant variable. Signed-off-by: Timo Warns <warns@pre-sense.de> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-17RTC: Re-enable UIE timer/polling emulationJohn Stultz
This patch re-enables UIE timer/polling emulation for rtc devices that do not support alarm irqs. CC: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> CC: Thomas Gleixner <tglx@linutronix.de> Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
2011-02-17RTC: Revert UIE emulation removalJohn Stultz
Uwe pointed out that my alarm based UIE emulation is not sufficient to replace the older timer/polling based UIE emulation on devices where there is no alarm irq. This causes rtc devices without alarms to return -EINVAL to UIE ioctls. The fix is to re-instate the old timer/polling method for devices without alarm irqs. This patch reverts the following commits: 042620a018afcfba1d678062b62e46 - Remove UIE emulation 1daeddd5962acad1bea55e524fc0fa - Cleanup removed UIE emulation declaration b5cc8ca1c9c3a37eaddf709b2fd3e1 - Remove Kconfig symbol for UIE emulation The emulation mode will still need to be wired-in with a following patch before it will work. CC: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> CC: Thomas Gleixner <tglx@linutronix.de> Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
2011-02-17RTC: Release mutex in error path of rtc_alarm_irq_enableUwe Kleine-König
On hardware that doesn't support alarm interrupts, rtc_alarm_irq_enable could return without releasing the ops_lock mutex. This was introduced in aa0be0f (RTC: Propagate error handling via rtc_timer_enqueue properly) This patch corrects the issue by only returning once the mutex is released. [john.stultz: Reworded the commit log] Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
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