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2010-07-19ks8842: Fix ks8842_tx_frame() for 16bit case.David S. Miller
As reported by Andrew: drivers/net/ks8842.c: In function 'ks8842_handle_rx': drivers/net/ks8842.c:428: warning: 'status' may be used uninitialized in this function Just use the 32-bit status for all reads, and delete the useless cast to 'int' when reading a u16 into 'len'. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19net: this_cpu_xxx conversionsEric Dumazet
Use modern this_cpu_xxx() api, saving few bytes on x86 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-20xfs: convert inode shrinker to per-filesystem contextsDave Chinner
Now the shrinker passes us a context, wire up a shrinker context per filesystem. This allows us to remove the global mount list and the locking problems that introduced. It also means that a shrinker call does not need to traverse clean filesystems before finding a filesystem with reclaimable inodes. This significantly reduces scanning overhead when lots of filesystems are present. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2010-07-19Btrfs: fix checks in BTRFS_IOC_CLONE_RANGEDan Rosenberg
1. The BTRFS_IOC_CLONE and BTRFS_IOC_CLONE_RANGE ioctls should check whether the donor file is append-only before writing to it. 2. The BTRFS_IOC_CLONE_RANGE ioctl appears to have an integer overflow that allows a user to specify an out-of-bounds range to copy from the source file (if off + len wraps around). I haven't been able to successfully exploit this, but I'd imagine that a clever attacker could use this to read things he shouldn't. Even if it's not exploitable, it couldn't hurt to be safe. Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com> cc: stable@kernel.org Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-07-19smsc911x: Add spinlocks around registers accessCatalin Marinas
On SMP systems, the SMSC911x registers may be accessed by multiple CPUs and this seems to put the chip in an inconsistent state. The patch adds spinlocks to the smsc911x_reg_read, smsc911x_reg_write, smsc911x_rx_readfifo and smsc911x_tx_writefifo functions. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19bonding: avoid a warningEric Dumazet
drivers/net/bonding/bond_main.c:179:12: warning: ‘disable_netpoll’ defined but not used Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19net: Removing dead ARCH_PNX010XChristoph Egger
ARCH_PNX010X doesn't exist in Kconfig, therefore removing all references for it from the source code/Kconfig. Signed-off-by: Christoph Egger <siccegge@cs.fau.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, pci, mrst: Add extra sanity check in walking the PCI extended cap chain x86: Fix x2apic preenabled system with kexec x86: Force HPET readback_cmp for all ATI chipsets
2010-07-19Merge branch 'kmemleak' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-2.6-cm * 'kmemleak' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-2.6-cm: kmemleak: Add support for NO_BOOTMEM configurations kmemleak: Annotate false positive in init_section_page_cgroup()
2010-07-19Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] cio: fix potential overflow in chpid descriptor [S390] add missing device put [S390] dasd: use correct label location for diag fba disks
2010-07-19intel_scu_ipc: Oops/crash fixesSreedhara DS
- fix reversing of command/sub arguments - fix a crash if the i2c interface is called before the device is found Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-19net-next: vmxnet3 fixes [5/5] Respect the interrupt type in VM configurationShreyas Bhatewara
Respect the interrupt type set in VM configuration. When interrupt type is not auto, do not ignore the interrupt type set from VM configuration. Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19net-next: vmxnet3 fixes [4/5] Do not reset when the device is not openedShreyas Bhatewara
Hold rtnl_lock to get the right link state. While asynchronously resetting the device, hold rtnl_lock to get the right value from netif_running. If a reset is scheduled, and the device goes thru close and open, it may happen that reset and open may run in parallel. Holding rtnl_lock will avoid this. Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19Btrfs: fix CLONE ioctl destination file size expansion to block boundarySage Weil
The CLONE and CLONE_RANGE ioctls round up the range of extents being cloned to the block size when the range to clone extends to the end of file (this is always the case with CLONE). It was then using that offset when extending the destination file's i_size. Fix this by not setting i_size beyond the originally requested ending offset. This bug was introduced by a22285a6 (2.6.35-rc1). Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-07-19Btrfs: fix split_leaf double split corner caseChris Mason
split_leaf was not properly balancing leaves when it was forced to split a leaf twice. This commit adds an extra push left and right before forcing the double split in hopes of getting the slot where we want to insert at either the start or end of the leaf. If the extra pushes do work, then we are able to avoid splitting twice and we keep the tree properly balanced. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-07-19tcp: fix crash in tcp_xmit_retransmit_queueIlpo Järvinen
It can happen that there are no packets in queue while calling tcp_xmit_retransmit_queue(). tcp_write_queue_head() then returns NULL and that gets deref'ed to get sacked into a local var. There is no work to do if no packets are outstanding so we just exit early. This oops was introduced by 08ebd1721ab8fd (tcp: remove tp->lost_out guard to make joining diff nicer). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Reported-by: Lennart Schulte <lennart.schulte@nets.rwth-aachen.de> Tested-by: Lennart Schulte <lennart.schulte@nets.rwth-aachen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-07-19net: 64bit stats for netdev_queueEric Dumazet
Since struct netdev_queue tx_bytes/tx_packets/tx_dropped are already protected by _xmit_lock, its easy to convert these fields to u64 instead of unsigned long. This completes 64bit stats for devices using them (vlan, macvlan, ...) Strictly, we could avoid the locking in dev_txq_stats_fold() on 64bit arches, but its slow path and we prefer keep it simple. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19bonding: fix bond_inet6addr_event()Eric Dumazet
After commit ad1afb0039391 (vlan_dev: VLAN 0 should be treated as "no vlan tag" (802.1p packet)), bond_inet6addr_event() might be called with a NULL bond->vlgrp pointer, and a non empty bond->vlan_list. vlan_group_get_device() is dereferencing a NULL pointer. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19s2io: Remove unnecessary memset of netdev private dataTobias Klauser
The memory for the private data is allocated using kzalloc in alloc_etherdev (or alloc_netdev_mq respectively) so there is no need to set it to 0 again. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19kmemleak: Add support for NO_BOOTMEM configurationsCatalin Marinas
With commits 08677214 and 59be5a8e, alloc_bootmem()/free_bootmem() and friends use the early_res functions for memory management when NO_BOOTMEM is enabled. This patch adds the kmemleak calls in the corresponding code paths for bootmem allocations. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Yinghai Lu <yinghai@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: stable@kernel.org
2010-07-19kmemleak: Annotate false positive in init_section_page_cgroup()Catalin Marinas
The pointer to the page_cgroup table allocated in init_section_page_cgroup() is stored in section->page_cgroup as (base - pfn). Since this value does not point to the beginning or inside the allocated memory block, kmemleak reports a false positive. This was reported in bugzilla.kernel.org as #16297. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Adrien Dessemond <adrien.dessemond@gmail.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Andrew Morton <akpm@linux-foundation.org>
2010-07-19HID: fix up Kconfig entry for ACRUX driverJiri Kosina
Remove 'default !EMBEDDED' from ACRUX force feedback driver entry. See commit message of 73d5e8f77e88 ("HID: fix up 'EMBEDDED' mess in Kconfig") for explanation and reasoning. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19HID: add ACRUX game controller force feedback supportSergei Kolzun
Adds force feedback support for ACRUX USB game controllers. These devices are mass produced in China by several vendors. Signed-off-by: Sergei Kolzun <x0r@dv-life.ru> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19HID: Force input registration for "VEC footpedal"Daniel Mack
These devices report a usage page of type "consumer" and a usage of "Programmable buttons". They are hence ignored by the hid-input layer. Force the registration of an input device by using the new quirk type HID_QUIRK_HIDINPUT_FORCE. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19HID: add HID_QUIRK_HIDINPUT_FORCEDaniel Mack
For devices with exotic HID report descriptors, it might be necessary to make the HID core force the registration of an input device. Make that possible by introducing a new quirk type. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19HID: hid-input.c: indentation fixesDaniel Mack
Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19comment typo fixes: charater => characterThomas Weber
Fix typo in comments. Replace charater with character. Characteristics too. Signed-off-by: Thomas Weber <weber@corscience.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19fix comment typos concerning "challenge"Uwe Kleine-König
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19arm: plat-spear: fix typo in kerneldocDavidlohr Bueso
Trivial fix in a typo (enalbed for enabled). Signed-off-by: Davidlohr Bueso <dave@gnu.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19reiserfs: typo comment fixDavidlohr Bueso
Fix trivial typo in code comment (change adn for and), also change comment style for proper coding style. Signed-off-by: Davidlohr Bueso <dave@gnu.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19update email addressPavel Machek
pavel@suse.cz no longer works, replace it with working address. Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-19[S390] cio: fix potential overflow in chpid descriptorSebastian Ott
The length filed in the chsc response block (if valid) has a value of n*(sizeof(chp_desc))+8 (for the response block header). When we memcopied from the response block to the actual descriptor we copied 8 bytes too much. The bug was not revealed since the descriptor is embedded in struct channel_path. Since we only write one descriptor at a time ignore the length value and use sizeof(*desc). Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-07-19[S390] add missing device putStefan Haberland
The dasd_alias_show function does not return a device reference in case the device is an alias. Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-07-19[S390] dasd: use correct label location for diag fba disksPeter Oberparleiter
Partition boundary calculation fails for DASD FBA disks under the following conditions: - disk is formatted with CMS FORMAT with a blocksize of more than 512 bytes - all of the disk is reserved to a single CMS file using CMS RESERVE - the disk is accessed using the DIAG mode of the DASD driver Under these circumstances, the partition detection code tries to read the CMS label block containing partition-relevant information from logical block offset 1, while it is in fact located at physical block offset 1. Fix this problem by using the correct CMS label block location depending on the device type as determined by the DASD SENSE ID information. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2010-07-19crypto: talitos - fix bug in sg_copy_end_to_bufferLee Nipper
In function sg_copy_end_to_buffer, too much data is copied when a segment in the scatterlist has .length greater than the requested copy length. This patch adds the limit checks to fix this bug of over copying, which affected only the ahash algorithms. Signed-off-by: Lee Nipper <lee.nipper@gmail.com> Acked-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-07-19crypto: geode_aes - Convert pci_table entries to PCI_VDEVICE (if PCI_ANY_ID ↵Peter Huewe
is used) This patch converts pci_table entries, where .subvendor=PCI_ANY_ID and .subdevice=PCI_ANY_ID, .class=0 and .class_mask=0, to use the PCI_VDEVICE macro, and thus improves readability. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-07-19pcrypt: Added sysfs interface to pcryptDan Kruchinin
Added sysfs interface to pcrypt. Now pcrypt subsystem creates two sysfs directories with corresponding padata sysfs objects: /sys/kernel/pcrypt/[pencrypt|pdecrypt] Signed-off-by: Dan Kruchinin <dkruchinin@acm.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-07-19padata: Added sysfs primitives to padata subsystemDan Kruchinin
Added sysfs primitives to padata subsystem. Now API user may embedded kobject each padata instance contains into any sysfs hierarchy. For now padata sysfs interface provides only two objects: serial_cpumask [RW] - cpumask for serial workers parallel_cpumask [RW] - cpumask for parallel workers Signed-off-by: Dan Kruchinin <dkruchinin@acm.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-07-19padata: Make two separate cpumasksDan Kruchinin
The aim of this patch is to make two separate cpumasks for padata parallel and serial workers respectively. It allows user to make more thin and sophisticated configurations of padata framework. For example user may bind parallel and serial workers to non-intersecting CPU groups to gain better performance. Also each padata instance has notifiers chain for its cpumasks now. If either parallel or serial or both masks were changed all interested subsystems will get notification about that. It's especially useful if padata user uses algorithm for callback CPU selection according to serial cpumask. Signed-off-by: Dan Kruchinin <dkruchinin@acm.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-07-19mm: add context argument to shrinker callbackDave Chinner
The current shrinker implementation requires the registered callback to have global state to work from. This makes it difficult to shrink caches that are not global (e.g. per-filesystem caches). Pass the shrinker structure to the callback so that users can embed the shrinker structure in the context the shrinker needs to operate on and get back to it in the callback via container_of(). Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2010-07-18sch_atm: Convert to use standard list_head facilities.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-18net: support time stamping in phy devices.Richard Cochran
This patch adds a new networking option to allow hardware time stamps from PHY devices. When enabled, likely candidates among incoming and outgoing network packets are offered to the PHY driver for possible time stamping. When accepted by the PHY driver, incoming packets are deferred for later delivery by the driver. The patch also adds phylib driver methods for the SIOCSHWTSTAMP ioctl and callbacks for transmit and receive time stamping. Drivers may optionally implement these functions. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-18net: added a BPF to help drivers detect PTP packets.Richard Cochran
Certain kinds of hardware time stamping units in both MACs and PHYs have the limitation that they can only time stamp PTP packets. Drivers for such hardware are left with the task of correctly matching skbs to time stamps. This patch adds a BPF that drivers can use to classify PTP packets when needed. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-18net: preserve ifreq parameter when calling generic phy_mii_ioctl().Richard Cochran
The phy_mii_ioctl() function unnecessarily throws away the original ifreq. We need access to the ifreq in order to support PHYs that can perform hardware time stamping. Two maverick drivers filter the ioctl commands passed to phy_mii_ioctl(). This is unnecessary since phylib will check the command in any case. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-18net: add driver hook for tx time stamping.Richard Cochran
This patch adds a hook for transmit time stamps. The transmit hook allows a software fallback for transmit time stamps, for MACs lacking time stamping hardware. Using the hook will still require adding an inline function call to each MAC driver. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-19PM / Runtime: Add runtime PM statistics (v3)Arjan van de Ven
In order for PowerTOP to be able to report how well the new runtime PM is working for the various drivers, the kernel needs to export some basic statistics in sysfs. This patch adds two sysfs files in the runtime PM domain that expose the total time a device has been active, and the time a device has been suspended. With this PowerTOP can compute the activity percentage Active %age = 100 * (delta active) / (delta active + delta suspended) and present the information to the user. I've written the PowerTOP code (slated for version 1.12) already, and the output looks like this: Runtime Device Power Management statistics Active Device name 10.0% 06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [version 2: fix stat update bugs noticed by Alan Stern] [version 3: rebase to -next and move the sysfs declaration] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2010-07-19PM / Runtime: Make runtime_status attribute not debug-only (v. 2)Alan Stern
This patch (as1404b) makes the runtime_status sysfs attribute available even in the absence of CONFIG_PM_ADVANCED_DEBUG, and it changes the routine to display "unsupported" when runtime PM is disabled for a device. Although not strictly 100% accurate, this will almost always be correct. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2010-07-19PM: Do not use dynamically allocated objects in pm_wakeup_event()Rafael J. Wysocki
Originally, pm_wakeup_event() uses struct delayed_work objects, allocated with GFP_ATOMIC, to schedule the execution of pm_relax() in future. However, as noted by Alan Stern, it is not necessary to do that, because all pm_wakeup_event() calls can use one static timer that will always be set to expire at the latest time passed to pm_wakeup_event(). The modifications are based on the example code posted by Alan. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2010-07-19PM / Suspend: Fix ordering of calls in suspend error pathsRafael J. Wysocki
The ACPI suspend code calls suspend_nvs_free() at a wrong place, which may lead to a memory leak if there's an error executing acpi_pm_prepare(), because acpi_pm_finish() will not be called in that case. However, the root cause of this problem is the apparently confusing ordering of calls in suspend error paths that needs to be fixed. In addition to that, fix a typo in a label name in suspend.c. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Len Brown <len.brown@intel.com>
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