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2011-02-10char/ipmi: fix OOPS caused by pnp_unregister_driver on unregistered driverCorey Minyard
This patch fixes an OOPS triggered when calling modprobe ipmi_si a second time after the first modprobe returned without finding any ipmi devices. This can happen if you reload the module after having the first module load fail. The driver was not deregistering from PNP in that case. Peter Huewe originally reported this patch and supplied a fix, I have a different patch based on Linus' suggestion that cleans things up a bit more. Cc: stable@kernel.org Cc: openipmi-developer@lists.sourceforge.net Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-10cap_syslog: accept CAP_SYS_ADMIN for nowLinus Torvalds
In commit ce6ada35bdf7 ("security: Define CAP_SYSLOG") Serge Hallyn introduced CAP_SYSLOG, but broke backwards compatibility by no longer accepting CAP_SYS_ADMIN as an override (it would cause a warning and then reject the operation). Re-instate CAP_SYS_ADMIN - but keeping the warning - as an acceptable capability until any legacy applications have been updated. There are apparently applications out there that drop all capabilities except for CAP_SYS_ADMIN in order to access the syslog. (This is a re-implementation of a patch by Serge, cleaning the logic up and making the code more readable) Acked-by: Serge Hallyn <serge@hallyn.com> Reviewed-by: James Morris <jmorris@namei.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-10Merge branch 'usb-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 * 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (21 commits) USB: cdc-acm: Adding second ACM channel support for Nokia N8 USB, Mass Storage, composite, gadget: Fix build failure and memset of a struct USB: Fix trout build failure with ci13xxx_msm gadget USB: EHCI: fix scheduling while atomic during suspend USB: usb-storage: unusual_devs entry for Coby MP3 player USB: ftdi_sio: Add VID=0x0647, PID=0x0100 for Acton Research spectrograph USB: fix race between root-hub resume and wakeup requests USB: prevent buggy hubs from crashing the USB stack usb: r8a66597-udc: Fixed bufnum of Bulk USB: ftdi_sio: add ST Micro Connect Lite uart support USB: Storage: Add unusual_devs entry for VTech Kidizoom USB SL811HS HCD: Fix memory leak in sl811h_urb_enqueue() USB: ti_usb: fix module removal USB: io_edgeport: fix the reported firmware major and minor usb: ehci-omap: Show fatal probing time errors to end user usb: musb: introduce api for dma code to check compatibility with usb request usb: musb: maintain three states for buffer mappings instead of two usb: musb: disable double buffering when it's broken usb: musb: hsdma: change back to use musb_read/writew usb: musb: core: fix IRQ check ...
2011-02-10Merge branch 'tty-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 * 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: serial: bfin_5xx: split uart RX lock from uart port lock to avoid deadlock 68360serial: Plumb in rs_360_get_icount() n_gsm: copy mtu over when configuring via ioctl interface virtio: console: Move file back to drivers/char/
2011-02-10Merge branch 'staging-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 * 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: staging: zram: fix data corruption issue Staging: Comedi: Fix a few NI module dependencies Staging: comedi: Add MODULE_LICENSE and similar to NI modules staging: brcm80211: bugfix for softmac crash on multi cpu configurations staging: sst: Fix for dmic capture on v2 pmic staging: hv: Enable sending GARP packet after live migration
2011-02-10Merge 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: (34 commits) virtio_net: Add schedule check to napi_enable call x25: Do not reference freed memory. pch_can: fix tseg1/tseg2 setting issue isdn: hysdn: Kill (partially buggy) CVS regision log reporting. can: softing_cs needs slab.h pch_gbe: Fix the issue which a driver locks when rx offload is set by ethtool netfilter: nf_conntrack: set conntrack templates again if we return NF_REPEAT pch_can: fix module reload issue with MSI pch_can: fix rmmod issue pch_can: fix 800k comms issue net: Fix lockdep regression caused by initializing netdev queues too early. net/caif: Fix dangling list pointer in freed object on error. USB CDC NCM errata updates for cdc_ncm host driver CDC NCM errata updates for cdc.h ixgbe: update version string ixgbe: cleanup variable initialization ixgbe: limit VF access to network traffic ixgbe: fix for 82599 erratum on Header Splitting ixgbe: fix variable set but not used warnings by gcc 4.6 e1000: add support for Marvell Alaska M88E1118R PHY ...
2011-02-10virtio_net: Add schedule check to napi_enable callBruce Rogers
Under harsh testing conditions, including low memory, the guest would stop receiving packets. With this patch applied we no longer see any problems in the driver while performing these tests for extended periods of time. Make sure napi is scheduled subsequent to each napi_enable. Signed-off-by: Bruce Rogers <brogers@novell.com> Signed-off-by: Olaf Kirch <okir@suse.de> Cc: stable@kernel.org Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-10fix jiffy calculations in calibrate_delay_direct to handle overflowTim Deegan
Fixes a hang when booting as dom0 under Xen, when jiffies can be quite large by the time the kernel init gets this far. Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com> [jbeulich@novell.com: !time_after() -> time_before_eq() as suggested by Jiri Slaby] Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-09x25: Do not reference freed memory.David S. Miller
In x25_link_free(), we destroy 'nb' before dereferencing 'nb->dev'. Don't do this, because 'nb' might be freed by then. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Tested-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-09Merge branch 'rc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: deb-pkg: Fix building outside of source tree (O=...). deb-pkg: Use $SRCARCH for include path
2011-02-09pch_can: fix tseg1/tseg2 setting issueTomoya MORINAGA
Previous patch "[PATCH 1/3] pch_can: fix 800k comms issue" is wrong. I should have modified tseg1_min not tseg2_min. This patch reverts tseg2_min to 1 and set tseg1_min to 2. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-09isdn: hysdn: Kill (partially buggy) CVS regision log reporting.David S. Miller
Some cases try to modify const strings, and in any event the CVS revision strings have not changed in over ten years making these printouts completely worthless. Just kill all of this stuff off. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-09can: softing_cs needs slab.hRandy Dunlap
From: Randy Dunlap <randy.dunlap@oracle.com> softing_cs.c uses kzalloc & kfree, so it needs to include linux/slab.h. drivers/net/can/softing/softing_cs.c:234: error: implicit declaration of function 'kfree' drivers/net/can/softing/softing_cs.c:271: error: implicit declaration of function 'kzalloc' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-09Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2011-02-09pch_gbe: Fix the issue which a driver locks when rx offload is set by ethtoolToshiharu Okada
This driver will be in a deadlock, When the rx offload is set by ethtool. The pch_gbe_reinit_locked function was modified. Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: virtio: console: Update Copyright virtio: console: Wake up outvq on host notifications
2011-02-09Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: cdrom: support devices that have check_events but not media_changed cfq-iosched: Don't wait if queue already has requests. blkio-throttle: Avoid calling blkiocg_lookup_group() for root group cfq: rename a function to give it more appropriate name cciss: make cciss_revalidate not loop through CISS_MAX_LUNS volumes unnecessarily. drivers/block/aoe/Makefile: replace the use of <module>-objs with <module>-y loop: queue_lock NULL pointer derefence in blk_throtl_exit drivers/block/Makefile: replace the use of <module>-objs with <module>-y blktrace: Don't output messages if NOTIFY isn't set.
2011-02-09Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds
* 'for-linus' of git://neil.brown.name/md: FIX: md: process hangs at wait_barrier after 0->10 takeover md_make_request: don't touch the bio after calling make_request md: Don't allow slot_store while resync/recovery is happening. md: don't clear curr_resync_completed at end of resync. md: Don't use remove_and_add_spares to remove failed devices from a read-only array Add raid1->raid0 takeover support md: Remove the AllReserved flag for component devices. md: don't abort checking spares as soon as one cannot be added. md: fix the test for finding spares in raid5_start_reshape. md: simplify some 'if' conditionals in raid5_start_reshape. md: revert change to raid_disks on failure.
2011-02-09staging: zram: fix data corruption issueNitin Gupta
In zram_read() and zram_write() we were not incrementing the index number and thus were reading/writing values from/to incorrect sectors on zram disk, resulting in data corruption. Signed-off-by: Nitin Gupta <ngupta@vflare.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-02-09Staging: Comedi: Fix a few NI module dependenciesIan Abbott
The ni_tio and ni_tio modules do not depend on the 8255 module, but the ni_atmio, ni_mio_cs and ni_pcimio modules do need the 8255 module. The ni_pcimio module also needs the comedi_fc module. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-02-09Staging: comedi: Add MODULE_LICENSE and similar to NI modulesIan Abbott
As mentioned by W. Trevor King on the devel@linuxdriverproject.org list on "Thu, 27 Jan 2011 18:52:15 -0500", "Message-ID: <20110127235214.GA5107@thialfi.dhcp.drexel.edu>", the ni_pcimio module is missing module metadata, including a license. This patch adds module metadata to all the NI comedi driver modules. It also removes a duplicate MODULE_LICENSE("GPL") line from the "mite" module. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Cc: W. Trevor King <wking@drexel.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-02-09cdrom: support devices that have check_events but not media_changedSimon Arlott
Commit 93aae17af1172c40c6f74b7294e93a90c3cfaa5d ("sr: implement sr_check_events()") replaced the media_changed op with the check_events op in drivers/scsi/sr.c All users that check for the CDC_MEDIA_CHANGED capbility try both the check_events op and the media_changed op, but register_cdrom() was requiring media_changed. This patch fixes the capability checking. The cdrom_select_disc ioctl is also using the two operations, so they should be required for CDC_SELECT_DISC too. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Cc: Tejun Heo <tj@kernel.org> Cc: Kay Sievers <kay.sievers@vrfy.org> Tested-by: Chris Clayton <chris2553@googlemail.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-02-09cfq-iosched: Don't wait if queue already has requests.Justin TerAvest
Commit 7667aa0630407bc07dc38dcc79d29cc0a65553c1 added logic to wait for the last queue of the group to become busy (have at least one request), so that the group does not lose out for not being continuously backlogged. The commit did not check for the condition that the last queue already has some requests. As a result, if the queue already has requests, wait_busy is set. Later on, cfq_select_queue() checks the flag, and decides that since the queue has a request now and wait_busy is set, the queue is expired. This results in early expiration of the queue. This patch fixes the problem by adding a check to see if queue already has requests. If it does, wait_busy is not set. As a result, time slices do not expire early. The queues with more than one request are usually buffered writers. Testing shows improvement in isolation between buffered writers. Cc: stable@kernel.org Signed-off-by: Justin TerAvest <teravest@google.com> Reviewed-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-02-09netfilter: nf_conntrack: set conntrack templates again if we return NF_REPEATPablo Neira Ayuso
The TCP tracking code has a special case that allows to return NF_REPEAT if we receive a new SYN packet while in TIME_WAIT state. In this situation, the TCP tracking code destroys the existing conntrack to start a new clean session. [DESTROY] tcp 6 src=192.168.0.2 dst=192.168.1.2 sport=38925 dport=8000 src=192.168.1.2 dst=192.168.1.100 sport=8000 dport=38925 [ASSURED] [NEW] tcp 6 120 SYN_SENT src=192.168.0.2 dst=192.168.1.2 sport=38925 dport=8000 [UNREPLIED] src=192.168.1.2 dst=192.168.1.100 sport=8000 dport=38925 However, this is a problem for the iptables' CT target event filtering which will not work in this case since the conntrack template will not be there for the new session. To fix this, we reassign the conntrack template to the packet if we return NF_REPEAT. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-02-08pch_can: fix module reload issue with MSITomoya
Currently, in case reload pch_can, pch_can not to be able to catch interrupt. The cause is bus-master is not set in pch_can. Thus, add enabling bus-master processing. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-08pch_can: fix rmmod issueTomoya
Currently, when rmmod pch_can, kernel failure occurs. The cause is pci_iounmap executed before pch_can_reset. Thus pci_iounmap moves after pch_can_reset. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-08pch_can: fix 800k comms issueTomoya
Currently, 800k comms fails since prop_seg set zero. (EG20T PCH CAN register of prop_seg must be set more than 1) To prevent prop_seg set to zero, change tseg2_min 1 to 2. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-08net: Fix lockdep regression caused by initializing netdev queues too early.David S. Miller
In commit aa9421041128abb4d269ee1dc502ff65fb3b7d69 ("net: init ingress queue") we moved the allocation and lock initialization of the queues into alloc_netdev_mq() since register_netdevice() is way too late. The problem is that dev->type is not setup until the setup() callback is invoked by alloc_netdev_mq(), and the dev->type is what determines the lockdep class to use for the locks in the queues. Fix this by doing the queue allocation after the setup() callback runs. This is safe because the setup() callback is not allowed to make any state changes that need to be undone on error (memory allocations, etc.). It may, however, make state changes that are undone by free_netdev() (such as netif_napi_add(), which is done by the ipoib driver's setup routine). The previous code also leaked a reference to the &init_net namespace object on RX/TX queue allocation failures. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-08net/caif: Fix dangling list pointer in freed object on error.David S. Miller
rtnl_link_ops->setup(), and the "setup" callback passed to alloc_netdev*(), cannot make state changes which need to be undone on failure. There is no cleanup mechanism available at this point. So we have to add the caif private instance to the global list once we are sure that register_netdev() has succedded in ->newlink(). Otherwise, if register_netdev() fails, the caller will invoke free_netdev() and we will have a reference to freed up memory on the chnl_net_list. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-08USB CDC NCM errata updates for cdc_ncm host driverAlexey Orishko
Specification links: - CDC NCM errata link: http://www.usb.org/developers/devclass_docs/NCM10_012011.zip - CDC and WMC errata link: http://www.usb.org/developers/devclass_docs/CDC1.2_WMC1.1_012011.zip Changes: - driver updated to match cdc.h header with errata changes - added support for USB_CDC_SET_NTB_INPUT_SIZE control request with 8 byte length - fixes to comply with specification: send only control requests supported by device, set number of datagrams for IN direction, connection speed structure update, etc. - packet loss fixed for tx direction; misleading flag renamed. - adjusted hard_mtu value. Signed-off-by: Alexey Orishko <alexey.orishko@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-08CDC NCM errata updates for cdc.hAlexey Orishko
Changes are based on the following documents: - CDC NCM errata: http://www.usb.org/developers/devclass_docs/NCM10_012011.zip - CDC and WMC errata link: http://www.usb.org/developers/devclass_docs/CDC1.2_WMC1.1_012011.zip Signed-off-by: Alexey Orishko <alexey.orishko@stericsson.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-09virtio: console: Update CopyrightAmit Shah
Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-02-09virtio: console: Wake up outvq on host notificationsAmit Shah
The outvq needs to be woken up on host notifications so that buffers consumed by the host can be reclaimed, outvq freed, and application writes may proceed again. The need for this is now finally noticed when I have qemu patches ready to use nonblocking IO and flow control. CC: Hans de Goede <hdegoede@redhat.com> CC: stable@kernel.org Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Hans de Goede <hdegoede@redhat.com>
2011-02-08Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-2.6
2011-02-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2011-02-08ixgbe: update version stringDon Skidmore
This will synchronize the version string with that of the latest source forge driver which shares its functionality. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-02-08ixgbe: cleanup variable initializationDon Skidmore
The ixgbe_fcoe_ddp_get function wasn't initializing one of its variables and this was producing compiler warnings. This patch cleans that up. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-02-08ixgbe: limit VF access to network trafficAlexander Duyck
This change fixes VM pool allocation issues based on MAC address filtering, as well as limits the scope of VF access to promiscuous mode. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-02-08ixgbe: fix for 82599 erratum on Header SplittingDon Skidmore
We have found a hardware erratum on 82599 hardware that can lead to unpredictable behavior when Header Splitting mode is enabled. So we are no longer enabling this feature on affected hardware. Please see the 82599 Specification Update for more information. CC: stable@kernel.org Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-02-08ixgbe: fix variable set but not used warnings by gcc 4.6Emil Tantilov
Caught with gcc 4.6 -Wunused-but-set-variable Remove unused napi_vectors variable. Fix the use of reset_bit in ixgbe_reset_hw_X540() Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-02-08e1000: add support for Marvell Alaska M88E1118R PHYFlorian Fainelli
This patch adds support for Marvell Alask M88E188R PHY chips. Support for other M88* PHYs is already there, so there is nothing more to add than its PHY id. CC: Dirk Brandewie <dirk.j.brandewie@intel.com> Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-02-08e1000e: tx_timeout should not increment for non-hang eventsJesse Brandeburg
Currently the driver increments the tx_timeout counter (an error counter) when simply resetting the part with outstanding transmit work pending. This is an unnecessary count of an error, when all we should be doing is just resetting the part and discarding the transmits. With this change the only increment of tx_timeout is when the stack calls the watchdog reset function due to a true Tx timeout. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Reviewed-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-02-07Merge branch 'batman-adv/merge' of git://git.open-mesh.org/ecsv/linux-mergeDavid S. Miller
2011-02-08FIX: md: process hangs at wait_barrier after 0->10 takeoverKrzysztof Wojcik
Following symptoms were observed: 1. After raid0->raid10 takeover operation we have array with 2 missing disks. When we add disk for rebuild, recovery process starts as expected but it does not finish- it stops at about 90%, md126_resync process hangs in "D" state. 2. Similar behavior is when we have mounted raid0 array and we execute takeover to raid10. After this when we try to unmount array- it causes process umount hangs in "D" In scenarios above processes hang at the same function- wait_barrier in raid10.c. Process waits in macro "wait_event_lock_irq" until the "!conf->barrier" condition will be true. In scenarios above it never happens. Reason was that at the end of level_store, after calling pers->run, we call mddev_resume. This calls pers->quiesce(mddev, 0) with RAID10, that calls lower_barrier. However raise_barrier hadn't been called on that 'conf' yet, so conf->barrier becomes negative, which is bad. This patch introduces setting conf->barrier=1 after takeover operation. It prevents to become barrier negative after call lower_barrier(). Signed-off-by: Krzysztof Wojcik <krzysztof.wojcik@intel.com> Signed-off-by: NeilBrown <neilb@suse.de>
2011-02-07Linux 2.6.38-rc4v2.6.38-rc4Linus Torvalds
2011-02-08batman-adv: Linearize fragment packets before mergeSven Eckelmann
We access the data inside the skbs of two fragments directly using memmove during the merge. The data of the skb could span over multiple skb pages. An direct access without knowledge about the pages would lead to an invalid memory access. Signed-off-by: Sven Eckelmann <sven@narfation.org> [lindner_marek@yahoo.de: Move return from function to the end] Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-02-07Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: ALSA: AACI: allow writes to MAINCR to take effect ARM: Update mach-types ARM: 6652/1: ep93xx: correct the end address of the AC97 memory resource ARM: mxs/imx28: remove now unused clock lookup "fec.0" ARM: mxs: fix clock base address missing ARM: mxs: acknowledge gpio irq ARM: mach-imx/mach-mx25_3ds: Fix section type ARM: imx: Add VPR200 and MX51_3DS entries to uncompress.h ARM i.MX23: use correct register for setting the rate ARM i.MX23/28: remove secondary field from struct clk. It's unused ARM i.MX28: use correct register for setting the rate ARM i.MX28: fix bit operation
2011-02-08md_make_request: don't touch the bio after calling make_requestChris Mason
md_make_request was calling bio_sectors() for part_stat_add after it was calling the make_request function. This is bad because the make_request function can free the bio and because the bi_size field can change around. The fix here was suggested by Jens Axboe. It saves the sector count before the make_request call. I hit this with CONFIG_DEBUG_PAGEALLOC turned on while trying to break his pretty fusionio card. Cc: <stable@kernel.org> Signed-off-by: Chris Mason <chris.mason@oracle.com> Signed-off-by: NeilBrown <neilb@suse.de>
2011-02-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (33 commits) Btrfs: Fix page count calculation btrfs: Drop __exit attribute on btrfs_exit_compress btrfs: cleanup error handling in btrfs_unlink_inode() Btrfs: exclude super blocks when we read in block groups Btrfs: make sure search_bitmap finds something in remove_from_bitmap btrfs: fix return value check of btrfs_start_transaction() btrfs: checking NULL or not in some functions Btrfs: avoid uninit variable warnings in ordered-data.c Btrfs: catch errors from btrfs_sync_log Btrfs: make shrink_delalloc a little friendlier Btrfs: handle no memory properly in prepare_pages Btrfs: do error checking in btrfs_del_csums Btrfs: use the global block reserve if we cannot reserve space Btrfs: do not release more reserved bytes to the global_block_rsv than we need Btrfs: fix check_path_shared so it returns the right value btrfs: check return value of btrfs_start_ioctl_transaction() properly btrfs: fix return value check of btrfs_join_transaction() fs/btrfs/inode.c: Add missing IS_ERR test btrfs: fix missing break in switch phrase btrfs: fix several uncheck memory allocations ...
2011-02-07Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Fix hcall tracepoint recursion powerpc/numa: Fix bug in unmap_cpu_from_node powerpc/numa: Disable VPHN on dedicated processor partitions powerpc/numa: Add length when creating OF properties via VPHN powerpc/numa: Check for all VPHN changes powerpc/numa: Only use active VPHN count fields powerpc/pseries: Remove unnecessary variable initializations in numa.c powerpc/pseries: Fix brace placement in numa.c powerpc/pseries: Fix typo in VPHN comments powerpc: Fix some 6xx/7xxx CPU setup functions powerpc: Pass the right cpu_spec to ->setup_cpu() on 64-bit powerpc/book3e: Protect complex macro args in mmu-book3e.h powerpc: Fix pfn_valid() when memory starts at a non-zero address
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