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* SUNRPC: Convert users of rpc_wake_up_task to use rpc_wake_up_queued_taskTrond Myklebust2008-02-26
| | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Add a new helper rpc_wake_up_queued_task()Trond Myklebust2008-02-26
| | | | | | | | In all cases where we currently use rpc_wake_up_task(), we almost always know on which waitqueue the rpc_task is actually sleeping. This will allows us to simplify the queue locking in a future patch. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Clean up rpc_run_timer()Trond Myklebust2008-02-26
| | | | | | | All RPC timeout callback functions are expected to wake the task up. We can enforce this by moving the wakeup back into rpc_run_timer. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Ensure that the asynchronous RPC calls complete on nfsiod.Trond Myklebust2008-02-26
| | | | | | | | | | We want to ensure that rpc_call_ops that involve mntput() are run on nfsiod rather than on rpciod, so that they don't deadlock when the resulting umount calls rpc_shutdown_client(). Hence we specify that read, write and commit calls must complete on nfsiod. Ditto for NFSv4 open, lock, locku and close asynchronous calls. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Add an nfsiod workqueueTrond Myklebust2008-02-26
| | | | | | | | | | NFS post-rpciod cleanups often involve tasks that cannot be safely performed within the rpciod context (due to deadlock concerns). We therefore add a dedicated NFS workqueue that can perform tasks like cleaning up state after an interrupted NFSv4 open() call, or calling put_nfs_open_context() after an asynchronous read or write call. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Allow the rpc_release() callback to be run on another workqueueTrond Myklebust2008-02-26
| | | | | | | | | | | | | A lot of the work done by the rpc_release() callback is inappropriate for rpciod as it will often involve things like starting a new rpc call in order to clean up state after an interrupted NFSv4 open() call, or calls to mntput(), etc. This patch allows the caller of rpc_run_task() to specify that the rpc_release callback should run on a different workqueue than the default rpciod_workqueue. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Fix a deadlock with lazy umountTrond Myklebust2008-02-26
| | | | | | | | | | | | | | We can't allow rpc callback functions like task->tk_ops->rpc_call_prepare() and task->tk_ops->rpc_call_done() to call mntput() in any way, since that will cause a deadlock when the call to rpc_shutdown_client() attempts to wait on 'task' to complete. We can avoid the above deadlock by moving calls to mntput to task->tk_ops->rpc_release() callback, since at that time the task will be marked as completed, and so rpc_shutdown_client won't attempt to wait on it. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Fix an f_mode/f_flags confusion in fs/nfs/write.cTrond Myklebust2008-02-25
| | | | | | | O_SYNC is stored in filp->f_flags. Thanks to Al Viro for pointing out the bug. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* Linux 2.6.25-rc3v2.6.25-rc3Linus Torvalds2008-02-24
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* i2c-i801: Add support for the ICH10Gaston, Jason D2008-02-24
| | | | | | | | Add the Intel ICH10 SMBus Controller DeviceID's and updates Tolapai support. Signed-off-by: Jason Gaston <jason.d.gaston@intel.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
* i2c: Make i2c_register_board_info() a NOP when CONFIG_I2C_BOARDINFO=nDavid Brownell2008-02-24
| | | | | | | | | | Don't require platform code to be #ifdeffed according to whether I2C is enabled or not ... if it's not enabled, let GCC compile out all I2C device declarations. (Issue noted on an NSLU2 build that didn't configure I2C.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
* i2c-pca-isa: Add access check to legacy ioportsChristian Krafft2008-02-24
| | | | | | | | | | When probing i2c-pca-isa writes to legacy ioports, which crashes the kernel if there is no device at that port. This patch adds a check_legacy_ioport call, so probe fails gracefully and thus prevents the oops. Signed-off-by: Christian Krafft <krafft@de.ibm.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
* Alchemy: compile fixManuel Lauss2008-02-24
| | | | | | | | Commit 8b798c4d16b762d15f4055597ff8d87f73b35552 broke alchemy build, fix it. Pointed out by Adrian Bunk. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
* i2c: Storage class should be before const qualifierTobias Klauser2008-02-24
| | | | | | | | | | | The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Jean Delvare <khali@linux-fr.org>
* i2c-pxa: Misc fixesWolfram Sang2008-02-24
| | | | | | | | | | | | | While working on the PCA9564-platform driver, I sometimes had a glimpse at the pxa-driver. I found some suspicious places, and this patch contains my suggestions. Note: They are not tested, due to no hardware. [JD: Some more fixes.] Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org> Tested-by: Mike Rapoport <mike@compulab.co.il> Tested-by: Eric Miao <ymiao3@marvell.com>
* ARM: OMAP: Release i2c_adapter after use (Siemens SX1)Jean Delvare2008-02-24
| | | | | | | | | | | Each call to i2c_get_adapter() must be followed by a call to i2c_put_adapter() to release the grabbed reference. Otherwise the reference count grows forever and the adapter can never be unregistered. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Vladimir Ananiev <vovan888@gmail.com> Acked-by: Tony Lindgren <tony@atomide.com>
* Merge branch 'upstream-linus' of ↵Linus Torvalds2008-02-24
|\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata-core: fix kernel-doc warning sata_fsl: fix build with ATA_VERBOSE_DEBUG [libata] ahci: AMD SB700/SB800 SATA support 64bit DMA libata-pmp: clear hob for pmp register accesses libata: automatically use DMADIR if drive/bridge requires it power_state: get rid of write-only variable in SATA pata_atiixp: Use 255 sector limit
| * libata-core: fix kernel-doc warningRandy Dunlap2008-02-24
| | | | | | | | | | | | | | | | Fix libata-core kernel-doc warning: Warning(linux-2.6.25-rc2-git6//drivers/ata/libata-core.c:168): No description found for parameter 'ap' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * sata_fsl: fix build with ATA_VERBOSE_DEBUGAnton Vorontsov2008-02-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes build and few warnings when ATA_VERBOSE_DEBUG is defined: CC drivers/ata/sata_fsl.o drivers/ata/sata_fsl.c: In function ‘sata_fsl_fill_sg’: drivers/ata/sata_fsl.c:338: warning: format ‘%x’ expects type ‘unsigned int’, but argument 3 has type ‘void *’ drivers/ata/sata_fsl.c:338: warning: format ‘%x’ expects type ‘unsigned int’, but argument 4 has type ‘struct prde *’ drivers/ata/sata_fsl.c: In function ‘sata_fsl_qc_issue’: drivers/ata/sata_fsl.c:459: error: ‘csr_base’ undeclared (first use in this function) drivers/ata/sata_fsl.c:459: error: (Each undeclared identifier is reported only once drivers/ata/sata_fsl.c:459: error: for each function it appears in.) drivers/ata/sata_fsl.c: In function ‘sata_fsl_freeze’: drivers/ata/sata_fsl.c:525: error: ‘csr_base’ undeclared (first use in this function) make[2]: *** [drivers/ata/sata_fsl.o] Error 1 Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * [libata] ahci: AMD SB700/SB800 SATA support 64bit DMAShane Huang2008-02-24
| | | | | | | | | | | | | | | | | | SB700 SATA controller can support 64 bit DMA, the previous commit badc2341579511a247f5993865aa68379e283c5c was added with careless reference to SB600, which should be modified by this patch. Signed-off-by: Shane Huang <shane.huang@amd.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * libata-pmp: clear hob for pmp register accessesMark Lord2008-02-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | >> Mark Lord wrote: >>> Tejun, I've added PMP to sata_mv, and am now trying to get it >>> to work with a Marvell PM attached. >>> >>> And the behaviour I see is very bizarre. >>> >>> After hard+soft resets, the PM signature is found, >>> and libata interrogates the PM registers. >>> >>> It successfully reads register 0, and then register 1. >>> But all subsequent registers read out (incorrectly) as zeros. ... This behavior has been confirmed by Marvell with a SATA analyzer. The Marvell port-multiplier apparently likes to see clean HOB information when accessing PMP registers. Since sata_mv uses PIO shadow register access, this doesn't happen automatically, as it might in a more purely FIS-based driver (eg. ahci). One way to fix this is to flag these commands with ATA_TFLAG_LBA48, forcing libata to write out the HOB fields with known (zero) values. Signed-off-by: Saeed Bishara <saeed@marvell.com> Acked-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * libata: automatically use DMADIR if drive/bridge requires itTejun Heo2008-02-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Back in 2.6.17-rc2, a libata module parameter was added for atapi_dmadir. That's nice, but most SATA devices which need it will tell us about it in their IDENTIFY PACKET response, as bit-15 of word-62 of the returned data (as per ATA7, ATA8 specifications). So for those which specify it, we should automatically use the DMADIR bit. Otherwise, disc writing will fail by default on many SATA-ATAPI drives. This patch adds ATA_DFLAG_DMADIR and make ata_dev_configure() set it if atapi_dmadir is set or identify data indicates DMADIR is necessary. atapi_xlat() is converted to check ATA_DFLAG_DMADIR before setting DMADIR. Original patch is from Mark Lord. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * power_state: get rid of write-only variable in SATAPavel Machek2008-02-24
| | | | | | | | | | | | | | | | power_state is scheduled for removal, and libata uses it in write-only mode. Remove it. Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * pata_atiixp: Use 255 sector limitAlan Cox2008-02-24
| | | | | | | | | | | | | | AHCI needs sorting too but this deals with the old interface Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-02-24
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits) [NETFILTER]: fix ebtable targets return [IP_TUNNEL]: Don't limit the number of tunnels with generic name explicitly. [NET]: Restore sanity wrt. print_mac(). [NEIGH]: Fix race between neighbor lookup and table's hash_rnd update. [RTNL]: Validate hardware and broadcast address attribute for RTM_NEWLINK tg3: ethtool phys_id default [BNX2]: Update version to 1.7.4. [BNX2]: Disable parallel detect on an HP blade. [BNX2]: More 5706S link down workaround. ssb: Fix support for PCI devices behind a SSB->PCI bridge zd1211rw: fix sparse warnings rtl818x: fix sparse warnings ssb: Fix pcicore cardbus mode ssb: Make the GPIO API reentrancy safe ssb: Fix the GPIO API ssb: Fix watchdog access for devices without a chipcommon ssb: Fix serial console on new bcm47xx devices ath5k: Fix build warnings on some 64-bit platforms. WDEV, ath5k, don't return int from bool function WDEV: ath5k, fix lock imbalance ...
| * | [NETFILTER]: fix ebtable targets returnJoonwoo Park2008-02-23
| | | | | | | | | | | | | | | | | | | | | | | | The function ebt_do_table doesn't take NF_DROP as a verdict from the targets. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [IP_TUNNEL]: Don't limit the number of tunnels with generic name explicitly.Pavel Emelyanov2008-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the added dev_alloc_name() call to create tunnel device name, rather than iterate in a hand-made loop with an artificial limit. Thanks Patrick for noticing this. [ The way this works is, when the device is actually registered, the generic code noticed the '%' in the name and invokes dev_alloc_name() to fully resolve the name. -DaveM ] Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET]: Restore sanity wrt. print_mac().David S. Miller2008-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MAC_FMT had only one user and we tried to get rid of that, but this created more problems than it solved. As a result, this reverts three commits: 235365f3aaaa10b7056293877c0ead50425f25c7 ("net/8021q/vlan_dev.c: Use print_mac."), fea5fa875eb235dc186b1f5184eb36abc63e26cc ("[NET]: Remove MAC_FMT"), and 8f789c48448aed74fe1c07af76de8f04adacec7d ("[NET]: Elminate spurious print_mac() calls.") Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NEIGH]: Fix race between neighbor lookup and table's hash_rnd update.Pavel Emelyanov2008-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The neigh_hash_grow() may update the tbl->hash_rnd value, which is used in all tbl->hash callbacks to calculate the hashval. Two lookup routines may race with this, since they call the ->hash callback without the tbl->lock held. Since the hash_rnd is changed with this lock write-locked moving the calls to ->hash under this lock read-locked closes this gap. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [RTNL]: Validate hardware and broadcast address attribute for RTM_NEWLINKThomas Graf2008-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | RTM_NEWLINK allows for already existing links to be modified. For this purpose do_setlink() is called which expects address attributes with a payload length of at least dev->addr_len. This patch adds the necessary validation for the RTM_NEWLINK case. The address length for links to be created is not checked for now as the actual attribute length is used when copying the address to the netdevice structure. It might make sense to report an error if less than addr_len bytes are provided but enforcing this might break drivers trying to be smart with not transmitting all zero addresses. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | tg3: ethtool phys_id defaultStephen Hemminger2008-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When asked to blink LEDs the tg3 driver behaves when using: ethtool -p ethX The default value for data is zero, and other drivers interpret this as blink forever (or at least a really long time). The tg3 driver interprets this as blink once. All drivers should have the same behaviour. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [BNX2]: Update version to 1.7.4.Michael Chan2008-02-23
| | | | | | | | | | | | | | | Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [BNX2]: Disable parallel detect on an HP blade.Michael Chan2008-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | Because of some board issues, we need to disable parallel detect on an HP blade. Without this patch, the link state can become stuck when it goes into parallel detect mode. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [BNX2]: More 5706S link down workaround.Michael Chan2008-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | The previous patches to workaround the 5706S on an HP blade were not sufficient. The link state still does not change properly in some cases. This patch adds polling to make it completely reliable. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | ssb: Fix support for PCI devices behind a SSB->PCI bridgeMichael Buesch2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | We must pin all resources and make sure the PCI subsystem won't relocate us, as the addresses are hardwired into hardware. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | zd1211rw: fix sparse warningsJohannes Berg2008-02-20
| | | | | | | | | | | | | | | | | | | | | This silences sparse when run on zd1211rw. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | rtl818x: fix sparse warningsJohannes Berg2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | This silences a few sparse warnings. There are two more where I can't follow the code. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ssb: Fix pcicore cardbus modeMichael Buesch2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | This fixes the pcicore driver to not die a horrible crash death when inserting a cardbus card. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ssb: Make the GPIO API reentrancy safeMichael Buesch2008-02-20
| | | | | | | | | | | | | | | | | | | | | This fixes the GPIO API to be reentrancy safe. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ssb: Fix the GPIO APIMichael Buesch2008-02-20
| | | | | | | | | | | | | | | | | | | | | This fixes the GPIO API to be usable. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ssb: Fix watchdog access for devices without a chipcommonMichael Buesch2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | This fixes the SSB watchdog access for devices without a chipcommon. These devices have the watchdog on the extif. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ssb: Fix serial console on new bcm47xx devicesMichael Buesch2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | This fixes the baud settings for new devices like the Linksys WRT350n. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ath5k: Fix build warnings on some 64-bit platforms.David Miller2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'u64' is not necessarily 'unsigned long long' drivers/net/wireless/ath5k/base.c: In function 'ath5k_beacon_update_timers': drivers/net/wireless/ath5k/base.c:2130: warning: format '%llx' expects type 'long long unsigned int', but argument 4 has type 'u64' drivers/net/wireless/ath5k/base.c:2130: warning: format '%llx' expects type 'long long unsigned int', but argument 5 has type 'u64' drivers/net/wireless/ath5k/base.c: In function 'ath5k_intr': drivers/net/wireless/ath5k/base.c:2391: warning: format '%llx' expects type 'long long unsigned int', but argument 6 has type 'u64' Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | WDEV, ath5k, don't return int from bool functionJiri Slaby2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sparse sees int -> bool cast as an error: hw.c:3754:10: warning: cast truncates bits from constant value (ffffffea becomes 0) Fix it by converting the rettype to int and check appropriately. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Nick Kossifidis <mickflemm@gmail.com> Cc: Luis R. Rodriguez <mcgrof@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | WDEV: ath5k, fix lock imbalanceJiri Slaby2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Omitted lock causes sparse warning drivers/net/wireless/ath5k/base.c:1682:1: warning: context imbalance in 'ath5k_tasklet_rx' - different lock contexts for basic block Add the lock to the guilty fail path. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Cc: Luis R. Rodriguez <mcgrof@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | p54usb: add USB ID for Linksys WUSB54G ver 2John W. Linville2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | Based on report from Cavan Carroll <cavancarroll@hotmail.com>: http://bugzilla.kernel.org/show_bug.cgi?id=9863 Cc: Cavan Carroll <cavancarroll@hotmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | p54usb: add USB ID for Phillips CPWUA054Ivo Couckuyt2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | Retarget of an old patch against prism54usb in linux-wireless archive: http://marc.info/?l=linux-wireless&m=117449935810254&w=2 Cc: Ivo Couckuyt <iv0co@yahoo.co.uk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | [NETNS]: Namespace leak in pneigh_lookup.Denis V. Lunev2008-02-20
| | | | | | | | | | | | | | | | | | | | | release_net is missed on the error path in pneigh_lookup. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [SCTP]: Pick up an orphaned sctp_sockets_allocated counter.Pavel Emelyanov2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This counter is currently write-only. Drawing an analogy with the similar tcp counter, I think that this one should be pointed by the sockets_allocated members of sctp_prot and sctpv6_prot. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | veth: fix dev refcount raceDaniel Lezcano2008-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When deleting the veth driver, veth_close calls netif_carrier_off for the two extremities of the network device. netif_carrier_off on the peer device will fire an event and hold a reference on the peer device. Just after, the peer is unregistered taking the rtnl_lock while the linkwatch_event is scheduled. If __linkwatch_run_queue does not occurs before the unregistering, unregister_netdevice will wait for the dev refcount to reach zero holding the rtnl_lock and linkwatch_event will wait for the rtnl_lock and hold the dev refcount. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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