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2014-01-27net: ipv4: Use PTR_ERR_OR_ZEROSachin Kamat
PTR_RET is deprecated. Use PTR_ERR_OR_ZERO instead. While at it also include missing err.h header. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-27clk: sunxi: fix overflow when setting up divided factorsEmilio López
Currently, we are allocating space for two pointers, when we actually may need to store three of them (two divisors plus the original clock). Fix this, and change sizeof(type) to sizeof(*var) to keep checkpatch.pl happy. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Emilio López <emilio@elopez.com.ar> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-27clk: Export more clk-provider functionsStephen Boyd
Allow drivers to be compiled as modules by exporting more clock provider functions. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-27dt-bindings: qcom: Fix warning with duplicate dt defineStephen Boyd
arch/arm/boot/dts/include/dt-bindings/clock/qcom,mmcc-msm8974.h:60:0: warning: "RBCPR_CLK_SRC" redefined Rename this to MMSS_RBCPR_CLK_SRC to avoid conflicts with the RBCPR clock in the gcc header. Reported-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-27clk: si5351: remove variant from platform_dataSebastian Hesselbarth
Commit 9807362bfe1748d9bb48eecb9261f1b1aaafea1c "clk: si5351: declare all device IDs for module loading" removed the common i2c_device_id and introduced new ones for each variant of the clock generator. Instead of exploiting that information in the driver, it still depends on platform_data passing the chips .variant. This removes the now redundant .variant from the platform_data and puts it in i2c_device_id's .driver_data instead. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-01-27nfsd4: fix delegation-unlink/rename raceJ. Bruce Fields
If a file is unlinked or renamed between the time when we do the local open and the time when we get the delegation, then we will return to the client indicating that it holds a delegation even though the file no longer exists under the name it was open under. But a client performing an open-by-name, when it is returned a delegation, must be able to assume that the file is still linked at the name it was opened under. So, hold the parent i_mutex for longer to prevent concurrent renames or unlinks. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2014-01-27nfsd4: delay setting current_fh in openJ. Bruce Fields
This is basically a no-op, to simplify a following patch. Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2014-01-27nfsd4: minor nfs4_setlease cleanupJ. Bruce Fields
As far as I can tell, this list is used only under the state lock, so we may as well do this in the simpler order. Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2014-01-27Merge tag 'trace-fixes-3.14' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "The first two patches fix the debugfs README file to reflect better the new features added to 3.14. The third patch is a minor bugfix to the trace_puts() functions that will crash the system if a developer adds one before the tracing system is setup. It also affects trace_printk() if it has no arguments, as the code will convert it to a trace_puts() as well. Note, this bug will not affect unmodified kernels, as trace_printk() and trace_puts() should only be used by developers for testing" * tag 'trace-fixes-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Check if tracing is enabled in trace_puts() tracing: Fix formatting of trace README file tracing/README: Add event file usage to tracing mini-HOWTO
2014-01-27Merge tag 'stable/for-linus-3.14-rc0-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb Pull swiotlb bug-fixes from Konrad Rzeszutek Wilk: - Don't DoS with 'swiotlb is full' message. - Documentation update. * tag 'stable/for-linus-3.14-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb: swiotlb: Don't DoS us with 'swiotlb buffer is full' (v2) swiotlb: update format
2014-01-27Merge tag 'pwm/for-3.14-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm changes from Thierry Reding: "The patches for this release cycle include various enhancements (device tree support, better compile coverage, ...) for existing drivers. There is a new driver for Atmel SoCs. Various drivers as well as the sysfs support received minor fixes and cleanups" * tag 'pwm/for-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: tiecap: Remove duplicate put_sync call pwm: tiehrpwm: use dev_err() instead of pr_err() pwm: pxa: remove unnecessary space before tabs pwm: ep93xx: split module author names pwm: use seq_puts() instead of seq_printf() pwm: atmel-pwm: Do not unprepare clock after successful registration of: Add Atmel PWM controller device tree binding pwm: atmel-pwm: Add Atmel PWM controller driver backlight: pwm_bl: Remove error message upon devm_kzalloc() failure pwm: pca9685: depends on I2C rather than REGMAP_I2C pwm: renesas-tpu: Enable driver compilation with COMPILE_TEST pwm: jz4740: Use devm_clk_get() pwm: jz4740: Pass device to clk_get() pwm: sysfs: Convert to use ATTRIBUTE_GROUPS macro pwm: pxa: Add device tree support
2014-01-27Merge tag 'firewire-updates' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire updates from Stefan Richter: "IEEE 1394 (FireWire) subsystem changes: - make remote debugging over 1394 a runtime option instead of a buildtime option - extend remote debug access past the 4 GB barrier on respectively capable hardware - documentation update" * tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: Enable remote DMA above 4 GB firewire: ohci: Turn remote DMA support into a module parameter Documentation/: update FireWire debugging documentation
2014-01-27Merge tag 'cris-for-3.14' of git://jni.nu/crisLinus Torvalds
Pull cris changes from Jesper Nilsson: "Mostly removal of deprecated or old code, but also a long promised update of the CRIS syscalls" * tag 'cris-for-3.14' of git://jni.nu/cris: Drop code for CRISv10 CPU simulator Cleanup whitespace, remove old author tag CRIS: Add missing syscalls cris: sync_serial: remove interruptible_sleep_on cris: remove deprecated IRQF_DISABLED
2014-01-27drm/i915: Decouple GPU error reporting from ring initialisationChris Wilson
Currently we report through our error state only the rings that have been initialised (as detected by ring->obj). This check is done after the GPU reset and ring re-initialisation, which means that the software state may not be the same as when we captured the hardware error and we may not print out any of the vital information for debugging the hang. This (and the implied object leak) is a regression from commit 3d57e5bd1284f44e325f3a52d966259ed42f9e05 Author: Ben Widawsky <ben@bwidawsk.net> Date: Mon Oct 14 10:01:36 2013 -0700 drm/i915: Do a fuller init after reset Note that we are already starting to get bug reports with incomplete error states from 3.13, which also hampers debugging userspace driver issues. v2: Prevent a NULL dereference on 830gm/845g after a GPU reset where the scratch obj may be NULL. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ben Widawsky <ben@bwidawsk.net> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> References: https://bugs.freedesktop.org/show_bug.cgi?id=74094 Cc: stable@vger.kernel.org # please don't delay since it's a vital support/debug feature for the intel gfx stack in general Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> [danvet: Add a bit of fluff to make it clear we need this expedited in stable.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-01-27ARM: imx: initial SolidRun Cubox-i supportRussell King
Add support for the SolidRun Cubox-i devices. This commit adds similar basic support as the HummingBoard. Further devices will be supported in future patches. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-01-27ARM: imx: initial SolidRun HummingBoard supportRussell King
Add support for the SolidRun HummingBoard. This commit adds support for the following interfaces on this board: - Consumer Ir receiver - S/PDIF output - Both USB interfaces - Gigabit Ethernet using AR8035 - UART port Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-01-27microblaze: Add missing v8.50.a versionMichal Simek
Add PVR value for MB 8.50.a. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-27microblaze: Fix missing bracket in printkMichal Simek
The error was introduced by the patch "microblaze: Fix coding style issues" (sha1: 6bd55f0bbaebb79b39e147aa864401fd0c94db82). Error message: arch/microblaze/kernel/setup.c: In function 'machine_early_init': arch/microblaze/kernel/setup.c:177:3: error: 'pr_cont' undeclared (first use in this function) arch/microblaze/kernel/setup.c:177:3: note: each undeclared identifier is reported only once for each function it appears in arch/microblaze/kernel/setup.c:177:10: error: expected ';' before string constant arch/microblaze/kernel/setup.c:177:33: error: expected statement before ')' token Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-27microblaze: Fix compilation error for BS=0Michal Simek
This bug was introduced by: "microblaze: Do not used hardcoded value in exception handler" (sha1: 9f78d3b5ab97a22a7e836312c495804ee4bca4ab) System without barrel shifter are pretty rare that's why this bug has been fixed so late. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-27microblaze: Disable stack protection from bootloaderMichal Simek
Microblaze without MMU can use stack protection in bootloader and kernel should clear this setting ASAP. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-27microblaze: Define read/write{b,w,l}_relaxed MMIOMichal Simek
More and more ARM specific drivers is using MMIO readX/writeX_relaxed IO functions and Microblaze can shared some drivers with ARM too. This patch adds relaxed IO accessor macros to prevent compilation failures. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-27microblaze: timer: Do not initialized system timer twiceMichal Simek
Only one system timer can be setup. Do not initialize more system timers. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-27microblaze: timer: Use generic sched_clock implementationMichal Simek
Remove sched_clock from the driver and use sched_clock_register function. Inspired-by: "arch_timer: Move to generic sched_clock framework" (sha1: 65cd4f6c99c1170bd0114dbd71b978012ea44d28) Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-27microblaze: Add NOTES section to linker scriptMichal Simek
Do not keep NOTES section align in proper location. 'readelf' shows that 'NOTE' is placed in wrong location which is out of virtual and physical load addresses. Section Headers: [Nr] Name Type Addr Off Size ES Flg Lk Inf Al [ 1] .note.gnu.build-i NOTE 00000000 001000 000024 00 A 0 0 4 [ 2] .text PROGBITS c0000000 002000 284570 00 AX 0 0 16 [ 3] __fdt_blob PROGBITS c0284570 286570 008000 00 A 0 0 1 Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align LOAD 0x001000 0x00000000 0x00000000 0x00024 0x00024 R 0x1000 LOAD 0x002000 0xc0000000 0x08000000 0x315428 0x316000 RWE 0x1000 This patch move 'NOTE' section to the correct location. Checked with: "ARM: 6740/1: Place correctly notes section in the linker script" (sha1: dc810efb0ca5702c9d96782b99282d4b4383e877) and "[S390] incorrect note program header" (sha1: 7a2512b744e72377c3fa5976f06a3f343e155d1f) Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-27microblaze: Add support for CCFMichal Simek
Add support for CCF for Microblaze. Old binding: system_timer: system-timer@41c00000 { clock-frequency = <75000000>; ... } New binding: system_timer: system-timer@41c00000 { clocks = <&clk_bus>; ... } Both should be supported for a while Microblaze clock binding: clocks { #address-cells = <1>; #size-cells = <0>; clk_bus: bus { #clock-cells = <0>; clock-frequency = <75000000>; clock-output-names = "bus"; compatible = "fixed-clock"; reg = <1>; } ; clk_cpu: cpu { #clock-cells = <0>; clock-frequency = <75000000>; clock-output-names = "cpu"; compatible = "fixed-clock"; reg = <0>; } ; } ; Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-01-26net: stmmac: Log MAC address only onceHans de Goede
Logging the MAC address on every if-up, is not really useful, and annoying when there is no cable inserted and NetworkManager tries the ifup every 50 seconds. Also change the log level from warning to info, as that is what it is. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-26net: stmmac: Silence PTP init errors on hw without PTPHans de Goede
Logging a PTP error on hw which simply does not support PTP is not very useful. Moreover this message gets logged on every if-up, and if there is no cable inserted NetworkManager will re-try the ifup every 50 seconds. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-26net/apne: Remove unused variable ei_localGeert Uytterhoeven
drivers/net/ethernet/8390/apne.c: In function ‘apne_probe1’: drivers/net/ethernet/8390/apne.c:215: warning: unused variable ‘ei_local’ Introduced by commit c45f812f0280c13f1b7992be5e0de512312a9e8f ("8390 : Replace ei_debug with msg_enable/NETIF_MSG_* feature"), which added the variable without using it. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-26net: add and use skb_gso_transport_seglen()Florian Westphal
This moves part of Eric Dumazets skb_gso_seglen helper from tbf sched to skbuff core so it may be reused by upcoming ip forwarding path patch. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-26i2c: rcar: fix NACK error codeBen Dooks
The response to a bus NACK is to return -ENXIO instead of the -EREMOTEIO being currently returned by the driver. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-01-26i2c: update i2c_algorithm documentationBen Dooks
Add some kerneldoc style documentaton to the i2c_algorithm structure, and point the master_xfer return codes at the right place in Documentation/i2c/fault_codes Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-01-26i2c: rcar: use devm_clk_get to ensure clock is properly ref-countedBen Dooks
The current i2c-rcar driver does clk_get() without a corresponding clk_put(). Add the clk to the driver private data and then get it with the devm functions so that it is released when the driver is unbound. Note, we do not call clk_prepare_enable() at this point due to the very possible magic that is being done by the pm_runtime system underneath the driver. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-01-26i2c: rcar: do not print error if device nacks transferBen Dooks
The i2c-rcar driver currently prints an error message if the master_xfer callback fails. However if the bus is being probed then lots of NAKs will be generated, causing the output of a number of errors printed. To solve this, disable the print if the error is not -EREMOTEIO. An example of running i2cdetect: 10: i2c-rcar e6530000.i2c: error -121 : 15 -- i2c-rcar e6530000.i2c: error -121 : 15 -- 12 i2c-rcar e6530000.i2c: error -121 : 15 -- i2c-rcar e6530000.i2c: error -121 : 15 -- i2c-rcar e6530000.i2c: error -121 : 15 -- i2c-rcar e6530000.i2c: error -121 : 15 -- i2c-rcar e6530000.i2c: error -121 : 15 -- i2c-rcar e6530000.i2c: error -121 : 15 Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-01-26Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds
Pull UML changes from Richard Weinberger: "This time only various cleanups and housekeeping patches" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: hostfs: make functions static um: Include generic barrier.h um: Removed unused attributes from thread_struct
2014-01-26Merge tag 'mmc-updates-for-3.14-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc Pull MMC updates from Chris Ball: "MMC highlights for 3.14: Core: - Avoid get_cd() on cards marked nonremovable Drivers: - arasan: New driver for controllers found in e.g. Xilinx Zynq SoC - dwmmc: Support Hisilicon K3 SoC controllers - esdhc-imx: Support for HS200 mode, DDR modes on MX6, runtime PM - sdhci-pci: Support O2Micro/BayHubTech controllers used in laptops like Lenovo ThinkPad W540, Dell Latitude E5440, Dell Latitude E6540 - tegra: Support Tegra124 SoCs" * tag 'mmc-updates-for-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (55 commits) mmc: sdhci-pci: Fix possibility of chip->fixes being null mmc: sdhci-pci: Fix BYT sd card getting stuck in runtime suspend mmc: sdhci: Allow for long command timeouts mmc: sdio: add a quirk for broken SDIO_CCCR_INTx polling mmc: sdhci: fix lockdep error in tuning routine mmc: dw_mmc: k3: remove clk_table mmc: dw_mmc: fix dw_mci_get_cd mmc: dw_mmc: fix sparse non static symbol warning mmc: sdhci-esdhc-imx: fix warning during module remove function mmc: sdhci-esdhc-imx: fix access hardirq-unsafe lock in atomic context mmc: core: sd: implement proper support for sd3.0 au sizes mmc: atmel-mci: add vmmc-supply support mmc: sdhci-pci: add broken HS200 quirk for Intel Merrifield mmc: sdhci: add quirk for broken HS200 support mmc: arasan: Add driver for Arasan SDHCI mmc: dw_mmc: add dw_mmc-k3 for k3 platform mmc: dw_mmc: use slot-gpio to handle cd pin mmc: sdhci-pci: add support of O2Micro/BayHubTech SD hosts mmc: sdhci-pci: break out definitions to header file mmc: tmio: fixup compile error ... Conflicts: MAINTAINERS
2014-01-26Merge tag 'for-3.14-merge-window' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs Pull 9p changes from Eric Van Hensbergen: "Included are a new cache model for support of mmap, and several cleanups across the filesystem and networking portions of the code" * tag 'for-3.14-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: update documentation 9P: introduction of a new cache=mmap model. net/9p: remove virtio default hack and set appropriate bits instead 9p: remove useless 'name' variable and assignment 9p: fix return value in case in v9fs_fid_xattr_set() 9p: remove useless variable and assignment 9p: remove useless assignment 9p: remove unused 'super_block' struct pointer 9p: remove never used return variable 9p: remove unused 'p9_fid' struct pointer 9p: remove unused 'p9_client' struct pointer
2014-01-26__dentry_path() fixesAl Viro
* we need to save the starting point for restarts * reject pathologically short buffers outright Spotted-by: Denys Vlasenko <dvlasenk@redhat.com> Spotted-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-26vfs: Remove second variable named error in __dentry_pathEric W. Biederman
In commit 232d2d60aa5469bb097f55728f65146bd49c1d25 Author: Waiman Long <Waiman.Long@hp.com> Date: Mon Sep 9 12:18:13 2013 -0400 dcache: Translating dentry into pathname without taking rename_lock The __dentry_path locking was changed and the variable error was intended to be moved outside of the loop. Unfortunately the inner declaration of error was not removed. Resulting in a version of __dentry_path that will never return an error. Remove the problematic inner declaration of error and allow __dentry_path to return errors once again. Cc: stable@vger.kernel.org Cc: Waiman Long <Waiman.Long@hp.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-26vfs: Is mounted should be testing mnt_ns for NULL or error.Eric W. Biederman
A bug was introduced with the is_mounted helper function in commit f7a99c5b7c8bd3d3f533c8b38274e33f3da9096e Author: Al Viro <viro@zeniv.linux.org.uk> Date: Sat Jun 9 00:59:08 2012 -0400 get rid of ->mnt_longterm it's enough to set ->mnt_ns of internal vfsmounts to something distinct from all struct mnt_namespace out there; then we can just use the check for ->mnt_ns != NULL in the fast path of mntput_no_expire() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> The intent was to test if the real_mount(vfsmount)->mnt_ns was NULL_OR_ERR but the code is actually testing real_mount(vfsmount) and always returning true. The result is d_absolute_path returning paths it should be hiding. Cc: stable@vger.kernel.org Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-26Fix race when checking i_size on direct i/o readSteven Whitehouse
So far I've had one ACK for this, and no other comments. So I think it is probably time to send this via some suitable tree. I'm guessing that the vfs tree would be the most appropriate route, but not sure that there is one at the moment (don't see anything recent at kernel.org) so in that case I think -mm is the "back up plan". Al, please let me know if you will take this? Steve. --------------------- Following on from the "Re: [PATCH v3] vfs: fix a bug when we do some dio reads with append dio writes" thread on linux-fsdevel, this patch is my current version of the fix proposed as option (b) in that thread. Removing the i_size test from the direct i/o read path at vfs level means that filesystems now have to deal with requests which are beyond i_size themselves. These I've divided into three sets: a) Those with "no op" ->direct_IO (9p, cifs, ceph) These are obviously not going to be an issue b) Those with "home brew" ->direct_IO (nfs, fuse) I've been told that NFS should not have any problem with the larger i_size, however I've added an extra test to FUSE to duplicate the original behaviour just to be on the safe side. c) Those using __blockdev_direct_IO() These call through to ->get_block() which should deal with the EOF condition correctly. I've verified that with GFS2 and I believe that Zheng has verified it for ext4. I've also run the test on XFS and it passes both before and after this change. The part of the patch in filemap.c looks a lot larger than it really is - there are only two lines of real change. The rest is just indentation of the contained code. There remains a test of i_size though, which was added for btrfs. It doesn't cause the other filesystems a problem as the test is performed after ->direct_IO has been called. It is possible that there is a race that does matter to btrfs, however this patch doesn't change that, so its still an overall improvement. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Reported-by: Zheng Liu <gnehzuil.liu@gmail.com> Cc: Jan Kara <jack@suse.cz> Cc: Dave Chinner <david@fromorbit.com> Acked-by: Miklos Szeredi <miklos@szeredi.hu> Cc: Chris Mason <clm@fb.com> Cc: Josef Bacik <jbacik@fb.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-26hfsplus: remove can_set_xattrChristoph Hellwig
When using the per-superblock xattr handlers permission checking is done by the generic code. hfsplus just needs to check for the magic osx attribute not to leak into protected namespaces. Also given that the code was obviously copied from JFS the proper attribution was missing. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-26nfsd: use get_acl and ->set_aclChristoph Hellwig
Remove the boilerplate code to marshall and unmarhall ACL objects into xattrs and operate on the posix_acl objects directly. Also move all the ACL handling code into nfs?acl.c where it belongs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-26fs: remove generic_aclChristoph Hellwig
And instead convert tmpfs to use the new generic ACL code, with two stub methods provided for in-memory filesystems. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-26nfs: use generic posix ACL infrastructure for v3 Posix ACLsChristoph Hellwig
This causes a small behaviour change in that we don't bother to set ACLs on file creation if the mode bit can express the access permissions fully, and thus behaving identical to local filesystems. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-01-26acpi-dma: align documentation with kernel-doc formatAndy Shevchenko
It mostly fixes the "RETURN" sections in the resulting manual page. There is no functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-01-26dma: fix vchan_cookie_complete() debug printJonas Jensen
vd->tx.cookie is set zero on dma_cookie_complete(), save to local before printing it. Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-01-26af_rxrpc: Handle frames delivered from another VMTim Smith
On input, CHECKSUM_PARTIAL should be treated the same way as CHECKSUM_UNNECESSARY. See include/linux/skbuff.h Signed-off-by: Tim Smith <tim@electronghost.co.uk> Signed-off-by: David Howells <dhowells@redhat.com>
2014-01-26af_rxrpc: Avoid setting up double-free on checksum errorTim Smith
skb_kill_datagram() does not dequeue the skb when MSG_PEEK is unset. This leaves a free'd skb on the queue, resulting a double-free later. Without this, the following oops can occur: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [<ffffffff8154fcf7>] skb_dequeue+0x47/0x70 PGD 0 Oops: 0002 [#1] SMP Modules linked in: af_rxrpc ... CPU: 0 PID: 1191 Comm: listen Not tainted 3.12.0+ #4 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 task: ffff8801183536b0 ti: ffff880035c92000 task.ti: ffff880035c92000 RIP: 0010:[<ffffffff8154fcf7>] skb_dequeue+0x47/0x70 RSP: 0018:ffff880035c93db8 EFLAGS: 00010097 RAX: 0000000000000246 RBX: ffff8800d2754b00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000202 RDI: ffff8800d254c084 RBP: ffff880035c93dd0 R08: ffff880035c93cf0 R09: ffff8800d968f270 R10: 0000000000000000 R11: 0000000000000293 R12: ffff8800d254c070 R13: ffff8800d254c084 R14: ffff8800cd861240 R15: ffff880119b39720 FS: 00007f37a969d740(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000008 CR3: 00000000d4413000 CR4: 00000000000006f0 Stack: ffff8800d254c000 ffff8800d254c070 ffff8800d254c2c0 ffff880035c93df8 ffffffffa041a5b8 ffff8800cd844c80 ffffffffa04385a0 ffff8800cd844cb0 ffff880035c93e18 ffffffff81546cef ffff8800d45fea00 0000000000000008 Call Trace: [<ffffffffa041a5b8>] rxrpc_release+0x128/0x2e0 [af_rxrpc] [<ffffffff81546cef>] sock_release+0x1f/0x80 [<ffffffff81546d62>] sock_close+0x12/0x20 [<ffffffff811aaba1>] __fput+0xe1/0x230 [<ffffffff811aad3e>] ____fput+0xe/0x10 [<ffffffff810862cc>] task_work_run+0xbc/0xe0 [<ffffffff8106a3be>] do_exit+0x2be/0xa10 [<ffffffff8116dc47>] ? do_munmap+0x297/0x3b0 [<ffffffff8106ab8f>] do_group_exit+0x3f/0xa0 [<ffffffff8106ac04>] SyS_exit_group+0x14/0x20 [<ffffffff8166b069>] system_call_fastpath+0x16/0x1b Signed-off-by: Tim Smith <tim@electronghost.co.uk> Signed-off-by: David Howells <dhowells@redhat.com>
2014-01-26RxRPC: do not unlock unheld spinlock in rxrpc_connect_exclusive()Alexey Khoroshilov
If rx->conn is not NULL, rxrpc_connect_exclusive() does not acquire the transport's client lock, but it still releases it. The patch adds locking of the spinlock to this path. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: David Howells <dhowells@redhat.com>
2014-01-26um: hostfs: make functions staticJames Hogan
The hostfs_*() callback functions are all only used within hostfs_kern.c, so make them static. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: user-mode-linux-devel@lists.sourceforge.net Signed-off-by: Richard Weinberger <richard@nod.at>
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