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2013-02-06ima: use new crypto_shash API instead of old crypto_hashDmitry Kasatkin3-38/+41
Old crypto hash API internally uses shash API. Using shash API directly is more efficient. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-02-06ima: add policy support for file system uuidDmitry Kasatkin2-2/+24
The IMA policy permits specifying rules to enable or disable measurement/appraisal/audit based on the file system magic number. If, for example, the policy contains an ext4 measurement rule, the rule is enabled for all ext4 partitions. Sometimes it might be necessary to enable measurement/appraisal/audit only for one partition and disable it for another partition of the same type. With the existing IMA policy syntax, this can not be done. This patch provides support for IMA policy rules to specify the file system by its UUID (eg. fsuuid=397449cd-687d-4145-8698-7fed4a3e0363). For partitions not being appraised, it might be a good idea to mount file systems with the 'noexec' option to prevent executing non-verified binaries. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-02-06evm: add file system uuid to EVM hmacDmitry Kasatkin4-0/+18
EVM uses the same key for all file systems to calculate the HMAC, making it possible to paste inodes from one file system on to another one, without EVM being able to detect it. To prevent such an attack, it is necessary to make the EVM HMAC file system specific. This patch uses the file system UUID, a file system unique identifier, to bind the EVM HMAC to the file system. The value inode->i_sb->s_uuid is used for the HMAC hash calculation, instead of using it for deriving the file system specific key. Initializing the key for every inode HMAC calculation is a bit more expensive operation than adding the uuid to the HMAC hash. Changing the HMAC calculation method or adding additional info to the calculation, requires existing EVM labeled file systems to be relabeled. This patch adds a Kconfig HMAC version option for backwards compatability. Changelog v1: - squash "hmac version setting" Changelog v0: - add missing Kconfig depends (Mimi) Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-02-05tpm_tis: check pnp_acpi_device return codeKent Yoder1-0/+3
Reported-by: Peter Hüwe <peterhuewe@gmx.de> Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05char/tpm/tpm_i2c_stm_st33: drop temporary variable for return valuePeter Huewe1-3/+1
We don't need a temporary variable just to store the return value which gets return in the next statement. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05char/tpm/tpm_i2c_stm_st33: remove dead assignment in tpm_st33_i2c_probePeter Huewe1-2/+0
Err is never read before it is assigned again -> remove the dead assigment. Found with clang static analyzer Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05char/tpm/tpm_i2c_stm_st33: Remove __devexit attributePeter Huewe1-1/+1
With the HOTPLUG changes 3.8 this attribute is going away. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05char/tpm/tpm_i2c_stm_st33: Don't use memcpy for one byte assignmentPeter Huewe1-4/+2
We don't need to call memcpy for one byte, but assign it directly. And to make the offset clearer we use the array syntax on the subsequent call to memset to make the relationship clearer. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm_i2c_stm_st33: removed unused variables/codeKent Yoder1-17/+1
Reported-by: Peter Hüwe <PeterHuewe@gmx.de> Signed-off-by: Peter Hüwe <PeterHuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05TPM: Wait for TPM_ACCESS tpmRegValidSts to go high at startupJason Gunthorpe1-0/+21
The TIS specification (pg 47) says the valid bit must be set, but the TPM will not set it until it has completed its internal startup. The driver checks that the valid bit is set during request_locality, but it issues a TPM_ACCESS_REQUEST_USE without validating the valid bit is set. Some TPMs will ignore the TPM_ACCESS_REQUEST_USE, until valid is set which causes the request_locality to timeout, which breaks the driver attach. Wait one timeout unit for valid to assert. If valid does not assert then assume -ENODEV. Seen on embedded with a: 1.2 TPM (device-id 0x3204, rev-id 64) Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm: Fix cancellation of TPM commands (interrupt mode)Stefan Berger3-12/+31
Support cancellation of TPM commands when driver is used in interrupt mode. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm: Fix cancellation of TPM commands (polling mode)Stefan Berger8-8/+48
On one of my machines the cancellation of TPM commands does not work. The reason is that by writing into sysfs 'cancel' the tpm_tis_ready call causes the status flag TPM_STS_VALID to be set in the statusregister. However, the TIS driver seems to wait for TPM_STS_COMMAND_READY. Once a 2nd time sysfs 'cancel' is written to, the TPM_STS_COMMAND_READY flag also gets set, resulting in TPM_STS_VALID|TPM_STS_COMMAND_READY to be read from the status register. This patch now converts req_canceled into a function to enable more complex comparisons against possible cancellation status codes. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm: Store TPM vendor IDStefan Berger2-0/+3
Store the TPM vendor ID for later use. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05TPM: Work around buggy TPMs that block during continue self testJason Gunthorpe1-1/+9
We've been testing an alternative TPM for our embedded products and found random kernel boot failures due to time outs after the continue self test command. This was happening randomly, and has been *very* hard to track down, but it looks like with this chip there is some kind of race with the tpm_tis_status() check of TPM_STS_COMMAND_READY. If things get there 'too fast' then it sees the chip is ready, or tpm_tis_ready() works. Otherwise it takes somewhere over 400ms before the chip will return TPM_STS_COMMAND_READY. Adding some delay after tpm_continue_selftest() makes things reliably hit the failure path, otherwise it is a crapshot. The spec says it should be returning TPM_WARN_DOING_SELFTEST, not holding off on ready.. Boot log during this event looks like this: tpm_tis 70030000.tpm_tis: 1.2 TPM (device-id 0x3204, rev-id 64) tpm_tis 70030000.tpm_tis: Issuing TPM_STARTUP tpm_tis 70030000.tpm_tis: tpm_transmit: tpm_send: error -62 tpm_tis 70030000.tpm_tis: [Hardware Error]: TPM command timed out during continue self test tpm_tis 70030000.tpm_tis: tpm_transmit: tpm_send: error -62 tpm_tis 70030000.tpm_tis: [Hardware Error]: TPM command timed out during continue self test tpm_tis 70030000.tpm_tis: tpm_transmit: tpm_send: error -62 tpm_tis 70030000.tpm_tis: [Hardware Error]: TPM command timed out during continue self test tpm_tis 70030000.tpm_tis: tpm_transmit: tpm_send: error -62 tpm_tis 70030000.tpm_tis: [Hardware Error]: TPM command timed out during continue self test The other TPM vendor we use doesn't show this wonky behaviour: tpm_tis 70030000.tpm_tis: 1.2 TPM (device-id 0xFE, rev-id 70) Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm_i2c_stm_st33: fix oops when i2c client is unavailableKent Yoder2-6/+11
When no i2c bus exists, user-space can cause an oops by triggering a device probe through a message sent to an i2c "new_device" sysfs entry. Adding a check for a NULL i2c client structure in the probe function closes the hole. This patch also fixes accessing the NULL client struct in the print function call reporting the error. Reported-by: Peter Hüwe <PeterHuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05char/tpm: Use struct dev_pm_ops for power managementPeter Huewe1-16/+12
This patch converts the suspend and resume functions for tpm_i2c_stm_st33 to the new dev_pm_ops. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05TPM: STMicroelectronics ST33 I2C BUILD STUFFMathias Leblanc2-0/+11
* STMicroelectronics version 1.2.0, Copyright (C) 2010 * STMicroelectronics comes with ABSOLUTELY NO WARRANTY. * This is free software, and you are welcome to redistribute it * under certain conditions. This is the driver for TPM chip from ST Microelectronics. If you have a TPM security chip from STMicroelectronics working with an I2C, in menuconfig or .config choose the tpm driver on device --> tpm and activate the protocol of your choice before compiling the kernel. The driver will be accessible from within Linux. Tested on linux x86/x64, beagleboard REV B & XM REV C and CHROMIUM OS Signed-off-by: Mathias Leblanc <mathias.leblanc@st.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm: rename STM driver to match other i2c driversKent Yoder2-1/+1
Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm: STM i2c driver fixesKent Yoder3-136/+69
Store the i2c_client struct in the vendor private pointer. Get rid of the unnecessary include/linux/i2c/ header. Moved include files into the driver c file. Fix smatch warnings. Make use of module_i2c_driver(). Removed unused code from the tpm_stm_st33_i2c.h file. Fix return variable signedness in tpm_stm_i2c_send() and tpm_st33_i2c_probe(). Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm: rename vendor data to priv and provide an accessorKent Yoder2-5/+7
"data" was too generic a name for what's being used as a generic private pointer by vendor-specific code. Rename it to "priv" and provide a #define for users. Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05TPM: STMicroelectronics ST33 I2C KERNEL 3.xMathias Leblanc3-0/+1031
* STMicroelectronics version 1.2.0, Copyright (C) 2010 * STMicroelectronics comes with ABSOLUTELY NO WARRANTY. * This is free software, and you are welcome to redistribute it * under certain conditions. This is the driver for TPM chip from ST Microelectronics. If you have a TPM security chip from STMicroelectronics working with an I2C, in menuconfig or .config choose the tpm driver on device --> tpm and activate the protocol of your choice before compiling the kernel. The driver will be accessible from within Linux. Tested on linux x86/x64 on kernel 3.x Signed-off-by: Mathias Leblanc <mathias.leblanc@st.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05char/tpm: Use true and false for boolsPeter Huewe1-6/+6
Bool initializations should use true and false. Bool tests don't need comparisons. Based on contributions from Joe Perches, Rusty Russell and Bruce W Allan. The semantic patch that makes this output is available in scripts/coccinelle/misc/boolinit.cocci. More information about semantic patching is available at http://coccinelle.lip6.fr/ Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05TPM: Switch to __packed instead of __attribute__((packed))Jason Gunthorpe2-21/+21
This seems to be preferred these days. Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05TPM: Issue TPM_STARTUP at driver load if the TPM has not been startedJason Gunthorpe2-4/+46
The TPM will respond to TPM_GET_CAP with TPM_ERR_INVALID_POSTINIT if TPM_STARTUP has not been issued. Detect this and automatically issue TPM_STARTUP. This is for embedded applications where the kernel is the first thing to touch the TPM. Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Tested-by: Peter Huewe <peter.huewe@infineon.com> Reviewed-by: Peter Huewe <peter.huewe@infineon.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05char/tpm: simplify duration calculation and eliminate smatch warning.Peter Huewe1-7/+6
This patch changes the semantics of the duration calculation for an ordinal, by masking out the higher bits of a tpm command, which specify whether it's an TPM_PROTECTED_COMMAND, TPM_UNPROTECTED_COMMAND, TPM_CONNECTION_COMMAND, TPM_CONNECTION_COMMAND, TPM_VENDOR_COMMAND. (See TPM Main Spec Part 2 Section 17 for details). For all TPM_PROTECTED and TPM_CONNECTION commands the results are unchanged. The TPM_UNPROTECTED commands are TSS commands and thus irrelevant as they are not sent to the tpm. For vendor commands the semantics change for ordinals 10 and 11 but they were probably wrong anyway. For everything else which has the ordinal set to 10 or 11 the semantics change as it now uses TPM_UNDEFINED instead of TPM_SHORT which was probably wrong anyway (but irrelevant as not defined by the standard). This patch also gets rid of the (false positive) smatch warning: drivers/char/tpm/tpm.c:360 tpm_calc_ordinal_duration() error: buffer overflow 'tpm_protected_ordinal_duration' 12 <= 243 Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05char/tpm: Remove duplicated lookup tablePeter Huewe1-17/+1
The entries in tpm_protected_ordinal_duration are exactly the same as the first 12 in tpm_ordinal_duration, so we can simply remove this one, and save some bytes. This does not change the behavior of the driver. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-05tpm: add documentation for sysfs interfacesKent Yoder1-0/+185
Reviewed-by: Peter Huewe <peter.huewe@infineon.com> Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
2013-02-01mpilib: use DIV_ROUND_UP and remove unused macrosAndy Shevchenko2-8/+4
Remove MIN, MAX and ABS macros that are duplicates kernel's native implementation. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
2013-02-01digsig: remove unnecessary memory allocation and copyingDmitry Kasatkin1-27/+14
In existing use case, copying of the decoded data is unnecessary in pkcs_1_v1_5_decode_emsa. It is just enough to get pointer to the message. Removing copying and extra buffer allocation. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
2013-01-23ima: differentiate appraise status only for hook specific rulesMimi Zohar2-6/+12
Different hooks can require different methods for appraising a file's integrity. As a result, an integrity appraisal status is cached on a per hook basis. Only a hook specific rule, requires the inode to be re-appraised. This patch eliminates unnecessary appraisals. Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
2013-01-23ima: per hook cache integrity appraisal statusMimi Zohar6-25/+136
With the new IMA policy 'appraise_type=' option, different hooks can require different methods for appraising a file's integrity. For example, the existing 'ima_appraise_tcb' policy defines a generic rule, requiring all root files to be appraised, without specfying the appraisal method. A more specific rule could require all kernel modules, for example, to be signed. appraise fowner=0 func=MODULE_CHECK appraise_type=imasig appraise fowner=0 As a result, the integrity appraisal results for the same inode, but for different hooks, could differ. This patch caches the integrity appraisal results on a per hook basis. Changelog v2: - Rename ima_cache_status() to ima_set_cache_status() - Rename and move get_appraise_status() to ima_get_cache_status() Changelog v0: - include IMA_APPRAISE/APPRAISED_SUBMASK in IMA_DO/DONE_MASK (Dmitry) - Support independent MODULE_CHECK appraise status. - fixed IMA_XXXX_APPRAISE/APPRAISED flags Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
2013-01-23ima: increase iint flag sizeMimi Zohar1-12/+12
In preparation for hook specific appraise status results, increase the iint flags size. Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
2013-01-23ima: added policy support for 'security.ima' typeDmitry Kasatkin5-2/+28
The 'security.ima' extended attribute may contain either the file data's hash or a digital signature. This patch adds support for requiring a specific extended attribute type. It extends the IMA policy with a new keyword 'appraise_type=imasig'. (Default is hash.) Changelog v2: - Fixed Documentation/ABI/testing/ima_policy option syntax Changelog v1: - Differentiate between 'required' vs. 'actual' extended attribute Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-01-17ima: forbid write access to files with digital signaturesDmitry Kasatkin1-2/+5
This patch forbids write access to files with digital signatures, as they are considered immutable. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-01-17ima: move full pathname resolution to separate functionDmitry Kasatkin3-31/+38
Define a new function ima_d_path(), which returns the full pathname. This function will be used further, for example, by the directory verification code. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-01-17integrity: reduce storage size for ima_status and evm_statusDmitry Kasatkin1-2/+2
This patch reduces size of the iint structure by 8 bytes. It saves about 15% of iint cache memory. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-01-17ima: rename FILE_MMAP to MMAP_CHECKMimi Zohar5-8/+9
Rename FILE_MMAP hook to MMAP_CHECK to be consistent with the other hook names. Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
2013-01-17ima: remove security.ima hexdumpDmitry Kasatkin1-5/+0
Hexdump is not really helping. Audit messages prints error messages. Remove it. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-01-17ima: remove enforce checking duplicationDmitry Kasatkin1-32/+20
Based on the IMA appraisal policy, files are appraised. For those files appraised, the IMA hooks return the integrity appraisal result, assuming IMA-appraisal is in enforcing mode. This patch combines both of these criteria (in policy and enforcing file integrity), removing the checking duplication. Changelog v1: - Update hook comments Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-01-17ima: set appraise status in fix mode only when xattr is fixedDmitry Kasatkin1-5/+6
When a file system is mounted read-only, setting the xattr value in fix mode fails with an error code -EROFS. The xattr should be fixed after the file system is remounted read-write. This patch verifies that the set xattr succeeds, before setting the appraise status value to INTEGRITY_PASS. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-01-17evm: remove unused cleanup functionsDmitry Kasatkin3-16/+0
EVM cannot be built as a kernel module. Remove the unncessary __exit functions. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2013-01-17ima: re-initialize IMA policy LSM infoMimi Zohar1-10/+58
Although the IMA policy does not change, the LSM policy can be reloaded, leaving the IMA LSM based rules referring to the old, stale LSM policy. This patch updates the IMA LSM based rules to reflect the reloaded LSM policy. Reported-by: Sven Vermeulen <sven.vermeulen@siphos.be> tested-by: Sven Vermeulen <sven.vermeulen@siphos.be> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Cc: Eric Paris <eparis@parisplace.org> Cc: Casey Schaufler <casey@schaufler-ca.com>
2013-01-07Merge tag 'v3.8-rc2' into nextJames Morris19077-666512/+1202123
Sync to Linus' tree. Linux 3.8-rc2
2013-01-03Linux 3.8-rc2v3.8-rc2Linus Torvalds1-1/+1
2013-01-03Merge branch 'fixes-for-3.8' of ↵Linus Torvalds1-2/+3
git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds Pull LED fix from Bryan Wu. * 'fixes-for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: leds: leds-gpio: set devm_gpio_request_one() flags param correctly
2013-01-03leds: leds-gpio: set devm_gpio_request_one() flags param correctlyJavier Martinez Canillas1-2/+3
commit a99d76f leds: leds-gpio: use gpio_request_one changed the leds-gpio driver to use gpio_request_one() instead of gpio_request() + gpio_direction_output() Unfortunately, it also made a semantic change that breaks the leds-gpio driver. The gpio_request_one() flags parameter was set to: GPIOF_DIR_OUT | (led_dat->active_low ^ state) Since GPIOF_DIR_OUT is 0, the final flags value will just be the XOR'ed value of led_dat->active_low and state. This value were used to distinguish between HIGH/LOW output initial level and call gpio_direction_output() accordingly. With this new semantic gpio_request_one() will take the flags value of 1 as a configuration of input direction (GPIOF_DIR_IN) and will call gpio_direction_input() instead of gpio_direction_output(). int gpio_request_one(unsigned gpio, unsigned long flags, const char *label) { .. if (flags & GPIOF_DIR_IN) err = gpio_direction_input(gpio); else err = gpio_direction_output(gpio, (flags & GPIOF_INIT_HIGH) ? 1 : 0); .. } The right semantic is to evaluate led_dat->active_low ^ state and set the output initial level explicitly. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Reported-by: Arnaud Patard <arnaud.patard@rtp-net.org> Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
2013-01-03Merge git://www.linux-watchdog.org/linux-watchdogLinus Torvalds5-14/+29
Pull watchdog fixes from Wim Van Sebroeck: "This fixes some small errors in the new da9055 driver, eliminates a compiler warning and adds DT support for the twl4030_wdt driver (so that we can have multiple watchdogs with DT on the omap platforms)." * git://www.linux-watchdog.org/linux-watchdog: watchdog: twl4030_wdt: add DT support watchdog: omap_wdt: eliminate unused variable and a compiler warning watchdog: da9055: Don't update wdt_dev->timeout in da9055_wdt_set_timeout error path watchdog: da9055: Fix invalid free of devm_ allocated data
2013-01-03Merge tag '3.8-pci-fixes' of ↵Linus Torvalds6-55/+63
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "Some fixes for v3.8. They include a fix for the new SR-IOV sysfs management support, an expanded quirk for Ricoh SD card readers, a Stratus DMI quirk fix, and a PME polling fix." * tag '3.8-pci-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: Reduce Ricoh 0xe822 SD card reader base clock frequency to 50MHz PCI/PM: Do not suspend port if any subordinate device needs PME polling PCI: Add PCIe Link Capability link speed and width names PCI: Work around Stratus ftServer broken PCIe hierarchy (fix DMI check) PCI: Remove spurious error for sriov_numvfs store and simplify flow
2013-01-03UAPI: Strip _UAPI prefix on header install no matter the whitespaceDavid Howells1-3/+3
Commit 56c176c9cac9 ("UAPI: strip the _UAPI prefix from header guards during header installation") strips the _UAPI prefix from header guards, but only if there's a single space between the cpp directive and the label. Make it more flexible and able to handle tabs and multiple white space characters. Signed-off-by: David Howells <dhowell@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-03UAPI: Remove empty Kbuild filesDavid Howells8-8/+0
Empty files can get deleted by the patch program, so remove empty Kbuild files and their links from the parent Kbuilds. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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