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2010-02-16CAPI: Clean up capi_open/releaseJan Kiszka
Fold capidev_alloc and capidev_free into capi_open and capi_release - there are no other users. Someone pushed a lock_kernel into capi_open. Drop it, we don't need it. Also remove the useless test from open that checks for private_data == NULL. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Convert capidev_list_lock into a mutexJan Kiszka
No need for anything "harder" here (specifically no need for irqsave...). Also, make the list removal the first operation of capidev_free to avoid dumping half-released devices via /proc. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Reduce #ifdef mess around CONFIG_ISDN_CAPI_MIDDLEWAREJan Kiszka
Make the code a bit more readable be providing stub functions for the !CONFIG_ISDN_CAPI_MIDDLEWARE case. Though a few lines are moved around, this comes with no functional changes. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Rework application lockingJan Kiszka
Drop the application rw-lock in favour of RCU. This synchronizes capi20_release against capi_ctr_handle_message which may dereference an application from (soft-)IRQ context. Any other access to the application list is now protected by the capi_controller_lock as well. This also allows to safely inspect applications for /proc dumping by holding capi_controller_lock. At this chance, drop some useless release_in_progress checks where we obtained the application pointer from the list (which becomes NULL on release_in_progress). Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Rework locking of controller data structuresJan Kiszka
This patch applies the mutex so far only protecting the controller list to (almost) all accesses of controller data structures. It also reworks waiting on state changes in old_capi_manufacturer so that it no longer poll and holds a module reference to the controller owner while waiting (the latter was partly done already). Modification and checking of the blocked state remains racy by design, the caller is responsible for dealing with this. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Rework controller state notifierJan Kiszka
Another step towards proper locking: Rework the callback provided to capidrv for controller state changes. This is so far attached to an application, which would require us to hold the corresponding lock across notification calls. But there is no direct relation between a controller up/down event and an application, so let's decouple them and provide a notifier call chain for those events instead. This notifier chain is first of all used internally. Here we request the highest priority to unsure that housekeeping work is done before any other notifications. The chain is exported via [un]register_capictr_notifier to our only user, capidrv, to replace the racy and unfixable capi20_set_callback. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Rework capi_ctr_ready/downJan Kiszka
This step prepares the application of proper controller locking: Push all state changing work into the notify handler that are called by capi_ctr_ready and capi_ctr_down, switch detach_capi_ctr to issue a synchronous ctr_down. Also ensure that we do not go through any action if the state did not change. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Convert capi drivers rwlock into mutexJan Kiszka
Turn the lock protecting registered capi drivers into a mutex and apply it consistently. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Call a controller 'controller', not 'card'Jan Kiszka
At least for our internal use, fix the misnomers that refer to a CAPI controller as 'card'. No functional changes. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Reduce chattiness during module loading/removalJan Kiszka
The CVS revisions dumped by all CAPI modules are meaningless today. And that some CAPI module is loaded or removed does not necessarily deserve a message. Just keep the message of the central module, capi.ko, drop the rest. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Pin capifs instead of mounting itJan Kiszka
Auto-mounting the capifs during module init prevents unloading its module. Instead, pin the filesystem as long as some NCCI node exists. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Eliminate capifs_root variableJan Kiszka
capifs_mnt->mnt_sb->s_root already contains what we need. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Sanitize capifs APIJan Kiszka
Instead of looking up the dentry of an NCCI node again in capifs_free_ncci pass the pointer via the capifs user. This patch also reduces the #ifdef mess in capi.c a bit as far as capifs was causing it. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16CAPI: Fix leaks in capifs_new_ncciJan Kiszka
When something went wrong during capifs_new_ncci, the looked up dentry was not properly released. Neither was the allocated inode. Refactor the function to avoid leaks. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16serial: 8250: add serial transmitter fully empty testDick Hollenbeck
When controlling an industrial radio modem it can be necessary to manipulate the handshake lines in order to control the radio modem's transmitter, from userspace. The transmitter should not be turned off before all characters have been transmitted. serial8250_tx_empty() was reporting that all characters were transmitted before they actually were. === Discovered in parallel with more testing and analysis by Kees Schoenmakers as follows: I ran into an NetMos 9835 serial pci board which behaves a little different than the standard. This type of expansion board is very common. "Standard" 8250 compatible devices clear the 'UART_LST_TEMT" bit together with the "UART_LSR_THRE" bit when writing data to the device. The NetMos device does it slightly different I believe that the TEMT bit is coupled to the shift register. The problem is that after writing data to the device and very quickly after that one does call serial8250_tx_empty, it returns the wrong information. My patch makes the test more robust (and solves the problem) and it does not affect the already correct devices. Alan: We may yet need to quirk this but now we know which chips we have a way to do that should we find this breaks some other 8250 clone with dodgy THRE. Signed-off-by: Dick Hollenbeck <dick@softplc.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Kees Schoenmakers <k.schoenmakers@sigmae.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16net neigh: Decouple per interface neighbour table controls from binary sysctlsEric W. Biederman
Stop computing the number of neighbour table settings we have by counting the number of binary sysctls. This behaviour was silly and meant that we could not add another neighbour table setting without also adding another binary sysctl. Don't pass the binary sysctl path for neighour table entries into neigh_sysctl_register. These parameters are no longer used and so are just dead code. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16net ipv4: Decouple ipv4 interface parameters from binary sysctl numbersEric W. Biederman
Stop using the binary sysctl enumeartion in sysctl.h as an index into a per interface array. This leads to unnecessary binary sysctl number allocation, and a fragility in data structure and implementation because of unnecessary coupling. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16drivers/net/pcnet32.c: Checkpatch cleaningJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16drivers/net/pcnet32.c: Use (pr|netdev|netif)_<levels> macro helpersJoe Perches
Make the output logging messages a bit more consistent. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16drivers/net/tehuti.c: trivial checkpatch cleanupsJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16drivers/net/tehuti.c: Hoist assigns out of ifsJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16drivers/net/tehuti.c: Use (pr|netdev|netif)_<levels> macro helpersJoe Perches
Make the output logging messages a bit more consistent. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16drivers/net/sky2: Convert to use netif_printk macrosJoe Perches
Some unlikely(netif_msg_<foo>(sky2)) tests are also removed by this change. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16drivers/net/ixgb: Use netif_printk macrosJoe Perches
Convert private DPRINTK macro uses to netif_<level> equivalents Remove #define DPRINTK Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16class: Free the class private data in class_releaseLaurent Pinchart
Fix a memory leak by freeing the memory allocated in __class_register for the class private data. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16sysfs: sysfs_sd_setattr set iattrs unconditionallyEric W. Biederman
There is currently a bug in sysfs_sd_setattr inherited from sysfs_setattr in 2.6.32 where the first time we set the attributes on a sysfs file we allocate backing store but do not set the backing store attributes. Resulting in overly restrictive permissions on sysfs files. The fix is to simply modify the code so that it always executes when we update the sysfs attributes, as we did in 2.6.31 and earlier. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Tested-by: Jean Delvare <khali@linux-fr.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16sparc64: Kill bogus ip_tables.h include.David S. Miller
Fixes the following build failure: CC arch/sparc/kernel/sys_sparc32.o In file included from include/linux/netfilter_ipv4/ip_tables.h:28, from arch/sparc/kernel/sys_sparc32.c:46: include/linux/netfilter/x_tables.h:525: error: expected declaration specifiers or ‘...’ before ‘nf_hookfn’ Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16bnx2: Update firmwares and update version to 2.0.8.Michael Chan
- Increase FTQ depth to 256 to ehnabce performance. - Fix RV2P context corruption on 5709 when flow control is enabled. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16bnx2: Fix bug when saving statistics.Patrick Rabau
This fixes the problem of dropping the carry when adding 2 32-bit values. Switch to use array indexing for better readability. Reported by and fix provided by Patrick Rabau. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16bnx2: Allow user-specified multiple advertisement speed values.Michael Chan
Remove unnecessary code that works around older versions of ethtool that can pass down invalid advertisement speed values. This old code prevents the user from specifying multiple advertisement values. The new code uses simple masking to mask out invalid advertisment bits. Reported-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16bnx2: Adjust flow control water marks.Michael Chan
The current water marks are too high and can cause unnecessary flow control frames. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16bnx2: Need to call cnic_setup_cnic_irq_info() after MTU change.Michael Chan
New status blocks are allocated during MTU change so we need to update this information for the cnic driver. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16bnx2: Check BNX2_FLAG_USING_MSIX flag when setting up MSIX.Michael Chan
Checking the flag is more correct than checking bp->irq_nvecs. By accident it is not a problem because we always have more than 1 vectors when using MSIX mode. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16atl1c: Add support for Atheros AR8152 and AR8152Luis R. Rodriguez
AR8151 is a Gigabit Ethernet device. AR8152 devices are Fast Ethernet devices, there are two revisions, a 1.0 and a 2.0 revision. This has been tested against these devices: Driver Model-name vendor:device Type atl1c AR8131 1969:1063 Gigabit Ethernet atl1c AR8132 1969:1062 Fast Ethernet atl1c AR8151(v1.0) 1969:1073 Gigabit Ethernet atl1c AR8152(v1.1) 1969:2060 Fast Ethernet This device has no hardware available yet so it goes untested, but it should work: atl1c AR8152(v2.0) 1969:2062 Fast Ethernet Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-16USB: gadget: fix EEM gadget CRC usageBrian Niebuhr
eem_wrap() is sending a sentinel CRC, but it didn't indicate that to the host, it should zero bit 14 (bmCRC) in the EEM packet header, instead of setting it. Also remove a redundant crc calculation in eem_unwrap(). Signed-off-by: Steve Longerbeam <stevel@netspectrum.com> Acked-by: Brian Niebuhr <bniebuhr@efjohnson.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: otg Kconfig: let USB_OTG_UTILS select USB_ULPI optionValentin Longchamp
With CONFIG_USB_ULPI=y, CONFIG_USB<=m, CONFIG_PCI=n and CONFIG_USB_OTG_UTILS=n, which is the default used for mx31moboard, the build for all mx3 platforms fails because drivers/usb/otg/ulpi.c where otg_ulpi_create is defined is not compiled. Build error: arch/arm/mach-mx3/built-in.o: In function `mxc_board_init': kzmarm11.c:(.init.text+0x73c): undefined reference to `otg_ulpi_create' kzmarm11.c:(.init.text+0x1020): undefined reference to `otg_ulpi_create' This isn't a strong dependency as drivers/usb/otg/ulpi.c doesn't use functions defined in drivers/usb/otg/otg.o and is only needed to get ulpi.o linked into the kernel image. Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: g_multi: fix CONFIG_USB_G_MULTI_RNDIS usageMichal Nazarewicz
g_multi used CONFIG_USB_ETH_RNDIS to check if RNDIS option was requested where it should check for CONFIG_USB_G_MULTI_RNDIS. As a result, RNDIS was never present in g_multi regardless of configuration. This fixes changes made in commit 396cda90d228d0851f3d64c7c85a1ecf6b8ae1e8. Signed-off-by: Michal Nazarewicz <m.nazarewicz@samsung.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16kfifo: Don't use integer as NULL pointerAnton Vorontsov
This patch fixes following sparse warnings: include/linux/kfifo.h:127:25: warning: Using plain integer as NULL pointer kernel/kfifo.c:83:21: warning: Using plain integer as NULL pointer Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Stefani Seibold <stefani@seibold.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: FHCI: Fix build after kfifo reworkAnton Vorontsov
After kfifo rework FHCI fails to build: CC drivers/usb/host/fhci-tds.o drivers/usb/host/fhci-tds.c: In function 'fhci_ep0_free': drivers/usb/host/fhci-tds.c:108: error: used struct type value where scalar is required drivers/usb/host/fhci-tds.c:118: error: used struct type value where scalar is required drivers/usb/host/fhci-tds.c:128: error: used struct type value where scalar is required This is because kfifos are no longer pointers in the ep struct. So, instead of checking the pointers, we should now check if kfifo is initialized. Reported-by: Josh Boyer <jwboyer@gmail.com> Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Stefani Seibold <stefani@seibold.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16kfifo: Make kfifo_initialized work after kfifo_freeAnton Vorontsov
After kfifo rework it's no longer possible to reliably know if kfifo is usable, since after kfifo_free(), kfifo_initialized() would still return true. The correct behaviour is needed for at least FHCI USB driver. This patch fixes the issue by resetting the kfifo to zero values (the same approach is used in kfifo_alloc() if allocation failed). Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Stefani Seibold <stefani@seibold.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: serial: add usbid for dell wwan card to sierra.cRichard Farina
This patch adds support for Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port. I stole the name from lsusb, but my card does not have a GPS on it (at least not that I can make function). I'm sure the patch is whitespace damaged but the one line addition should be fairly straightforward nonetheless. Tested-by: Rick Farina <sidhayn@gmail.com> Signed-off-by: Rick Farina <sidhayn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: SIS USB2VGA DRIVER: support KAIREN's USB VGA adaptor USB20SVGA-MB-PLUSTanaka Akira
This patch adds the USB product ID of KAIREN's USB VGA Adaptor, USB20SVGA-MB-PLUS, to sisusbvga work with it. Signed-off-by: Tanaka Akira <akr@fsij.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: ehci: phy low power mode bug fixingAlek Du
1. There are two msleep calls inside two spin lock sections, need to unlock and lock again after msleep. 2. Save a extra status reg setting. Signed-off-by: Alek Du <alek.du@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: s3c-hsotg: Export usb_gadget_register_driver()Mark Brown
USB gadget controller drivers normally export their driver registration function, allowing modular builds of the individual gadget drivers so do so for s3c-hsotg, fixing builds. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: r8a66597-udc: Prototype IS_ERR() and PTR_ERR()Mark Brown
The build of r8a66597-udc was failing on ARM since IS_ERR() and PTR_ERR() weren't protyped. Presumably err.h is being pulled in by another header on other platforms. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: ftdi_sio: add device IDs (several ELV, one Mindstorms NXT)Andreas Mohr
- add FTDI device IDs for several ELV devices and NXTCam of Lego Mindstorms NXT - add hopefully helpful new_id comment - remove less helpful "Due to many user requests for multiple ELV devices we enable them by default." comment (we simply add _all_ known devices - an enduser shouldn't have to fiddle with obscure module parameters...). - add myself to DRIVER_AUTHOR The missing NXTCam ID has been found at http://www.unixboard.de/vb3/showthread.php?t=44155 , ELV devices taken from ELV Windows .inf file. Signed-off-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: storage: Remove unneeded SC/PR from unusual_devs.hPhil Dibowitz
This patch removes the subclass and protocol entries from a Microtech entry in unusual_devs.h. This was reported by <ryck@pacbell.net>. Greg, please apply. Signed-off-by: Phil Dibowitz <phil@ipom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: ftdi_sio: new device id for papouch AD4USBRadek Liboska
added new device pid (PAPOUCH_AD4USB_PID) to ftdi_sio.h and ftdi_sio.c AD4USB measuring converter is a 4-input A/D converter which enables the user to measure to four current inputs ranging from 0(4) to 20 mA or voltage between 0 and 10 V. The measured values are then transferred to a superior system in digital form. The AD4USB communicates via USB. Powered is also via USB. datasheet in english is here: http://www.papouch.com/shop/scripts/pdf/ad4usb_en.pdf Signed-off-by: Radek Liboska <liboska@uochb.cas.cz>
2010-02-16USB: usbfs: properly clean up the as structure on error pathsLinus Torvalds
I notice that the processcompl_compat() function seems to be leaking the 'struct async *as' in the error paths. I think that the calling convention is fundamentally buggered. The caller is the one that did the "reap_as()" to get the as thing, the caller should be the one to free it too. Freeing it in the caller also means that it very clearly always gets freed, and avoids the need for any "free in the error case too". From: Linus Torvalds <torvalds@linux-foundation.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Marcus Meissner <meissner@suse.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-16USB: usbfs: only copy the actual data receivedGreg KH
We need to only copy the data received by the device to userspace, not the whole kernel buffer, which can contain "stale" data. Thanks to Marcus Meissner for pointing this out and testing the fix. Reported-by: Marcus Meissner <meissner@suse.de> Tested-by: Marcus Meissner <meissner@suse.de> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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