- 27 Jul, 2016 3 commits
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Wei Yongjun authored
The call to spi_master_put() in img_spfi_remove() is redundant since the master is registered using devm_spi_register_master() and no reference hold by using spi_master_get() in img_spfi_remove(). This is detected by Coccinelle semantic patch. Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Wei Yongjun authored
The call to spi_master_put() in mtk_spi_remove() is redundant since the master is registered using devm_spi_register_master() and no reference hold by using spi_master_get() in mtk_spi_remove(). This is detected by Coccinelle semantic patch. Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Wei Yongjun authored
The call to spi_master_put() in spi_qup_remove() is redundant since the master is registered using devm_spi_register_master() and no reference hold by using spi_master_get() in spi_qup_remove(). This is detected by Coccinelle semantic patch. Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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- 25 Jul, 2016 2 commits
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Mark Brown authored
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Mark Brown authored
The current SPI code attempts to use bus_lock_mutex for two purposes. One is to implement spi_bus_lock() which grants exclusive access to the bus. The other is to serialize access to the physical hardware. This duplicate purpose causes confusion which leads to cases where access is not locked when a caller holds the bus lock mutex. Fix this by splitting out the I/O functionality into a new io_mutex. This means taking both mutexes in the DMA path, replacing the existing mutex with the new I/O one in the message pump (the mutex now always being taken in the message pump) and taking the bus lock mutex in spi_sync(), allowing __spi_sync() to have no mutex handling. While we're at it hoist the mutex further up the message pump before we power up the device so that all power up/down of the block is covered by it and there are no races with in-line pumping of messages. Reported-by: Rich Felker <dalias@libc.org> Tested-by: Rich Felker <dalias@libc.org> Signed-off-by: Mark Brown <broonie@kernel.org>
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- 24 Jul, 2016 16 commits
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Mark Brown authored
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Mark Brown authored
Merge remote-tracking branches 'spi/topic/spidev', 'spi/topic/sunxi', 'spi/topic/ti-qspi', 'spi/topic/topcliff-pch' and 'spi/topic/txx9' into spi-next
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Mark Brown authored
Merge remote-tracking branches 'spi/topic/pxa2xx', 'spi/topic/rockchip', 'spi/topic/s3c64xx', 'spi/topic/sh' and 'spi/topic/sh-msiof' into spi-next
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Mark Brown authored
Merge remote-tracking branches 'spi/topic/octeon', 'spi/topic/omap2-mcspi', 'spi/topic/orion', 'spi/topic/pic32' and 'spi/topic/pic32-sqi' into spi-next
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Mark Brown authored
Merge remote-tracking branches 'spi/topic/flash-dma', 'spi/topic/imx', 'spi/topic/loopback', 'spi/topic/maintainers' and 'spi/topic/mpc52xx-psc' into spi-next
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Mark Brown authored
Merge remote-tracking branches 'spi/topic/bfin-sport', 'spi/topic/bfin5xx', 'spi/topic/clps711x', 'spi/topic/doc' and 'spi/topic/dt' into spi-next
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Mark Brown authored
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Jan Glauber authored
Separate driver probing from SPI transfer functions. Signed-off-by: Jan Glauber <jglauber@cavium.com> Tested-by: Steven J. Hill <steven.hill@cavium.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Jan Glauber authored
Move the register definitions to the drivers directory because they are only used there. Signed-off-by: Jan Glauber <jglauber@cavium.com> Tested-by: Steven J. Hill <steven.hill@cavium.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Jan Glauber authored
Instead of hard-coding the register offsets put them into a struct and set them in the probe function. Signed-off-by: Jan Glauber <jglauber@cavium.com> Tested-by: Steven J. Hill <steven.hill@cavium.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Jan Glauber authored
Storing the system clock frequency in struct octeon_spi avoids calling the MIPS specific octeon_get_io_clock_rate() for every transfer. Signed-off-by: Jan Glauber <jglauber@cavium.com> Tested-by: Steven J. Hill <steven.hill@cavium.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Steven J. Hill authored
Remove all calls to cvmx_read_csr()/cvmx_write_csr() and use the portable readq()/writeq() functions. Signed-off-by: Steven J. Hill <steven.hill@cavium.com> Signed-off-by: Jan Glauber <jglauber@cavium.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Nicholas Mc Guire authored
wait_for_completion_timeout returns unsigned long not int so the check for <= 0 should be == 0 here, and the type unsigned long. The function return is set to -ETIMEDOUT to reflect the actual problem. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Mark Brown <broonie@kernel.org>
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Nicholas Mc Guire authored
wait_for_completion_timeout returns unsigned long not int so the check for <= 0 should be == 0 here. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Mark Brown <broonie@kernel.org>
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Linus Torvalds authored
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git://github.com/ceph/ceph-clientLinus Torvalds authored
Pull ceph fix from Ilya Dryomov: "A fix for a long-standing bug in the incremental osdmap handling code that caused misdirected requests, tagged for stable" The tag is signed with a brand new key - Sage is on vacation and I didn't anticipate this" * tag 'ceph-for-4.7-rc8' of git://github.com/ceph/ceph-client: libceph: apply new_state before new_up_client on incrementals
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- 23 Jul, 2016 19 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Fix memory leak in nftables, from Liping Zhang. 2) Need to check result of vlan_insert_tag() in batman-adv otherwise we risk NULL skb derefs, from Sven Eckelmann. 3) Check for dev_alloc_skb() failures in cfg80211, from Gregory Greenman. 4) Handle properly when we have ppp_unregister_channel() happening in parallel with ppp_connect_channel(), from WANG Cong. 5) Fix DCCP deadlock, from Eric Dumazet. 6) Bail out properly in UDP if sk_filter() truncates the packet to be smaller than even the space that the protocol headers need. From Michal Kubecek. 7) Similarly for rose, dccp, and sctp, from Willem de Bruijn. 8) Make TCP challenge ACKs less predictable, from Eric Dumazet. 9) Fix infinite loop in bgmac_dma_tx_add() from Florian Fainelli. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (65 commits) packet: propagate sock_cmsg_send() error net/mlx5e: Fix del vxlan port command buffer memset packet: fix second argument of sock_tx_timestamp() net: switchdev: change ageing_time type to clock_t Update maintainer for EHEA driver. net/mlx4_en: Add resilience in low memory systems net/mlx4_en: Move filters cleanup to a proper location sctp: load transport header after sk_filter net/sched/sch_htb: clamp xstats tokens to fit into 32-bit int net: cavium: liquidio: Avoid dma_unmap_single on uninitialized ndata net: nb8800: Fix SKB leak in nb8800_receive() et131x: Fix logical vs bitwise check in et131x_tx_timeout() vlan: use a valid default mtu value for vlan over macsec net: bgmac: Fix infinite loop in bgmac_dma_tx_add() mlxsw: spectrum: Prevent invalid ingress buffer mapping mlxsw: spectrum: Prevent overwrite of DCB capability fields mlxsw: spectrum: Don't emit errors when PFC is disabled mlxsw: spectrum: Indicate support for autonegotiation mlxsw: spectrum: Force link training according to admin state r8152: add MODULE_VERSION ...
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfsLinus Torvalds authored
Pull overlayfs fixes from Miklos Szeredi: "This contains a fix for a potential crash/corruption issue and another where the suid/sgid bits weren't cleared on write" * 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: verify upper dentry in ovl_remove_and_whiteout() ovl: Copy up underlying inode's ->i_mode to overlay inode ovl: handle ATTR_KILL*
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Linus Torvalds authored
Merge misc fixes from Andrew Morton: "Five fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: pps: do not crash when failed to register tools/vm/slabinfo: fix an unintentional printf testing/radix-tree: fix a macro expansion bug radix-tree: fix radix_tree_iter_retry() for tagged iterators. mm: memcontrol: fix cgroup creation failure after many small jobs
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull intel kabylake drm fixes from Dave Airlie: "As mentioned Intel has gathered all the Kabylake fixes from -next, which we've enabled in 4.7 for the first time, these are pretty much limited in scope to only affects kabylake, which is hw that isn't shipping yet. So I'm mostly okay with it going in now. If we don't land this, it might be a good idea to disable kabylake support in 4.7 before we ship" * tag 'drm-fixes-for-v4.7-rc8-intel-kbl' of git://people.freedesktop.org/~airlied/linux: (28 commits) drm/i915/kbl: Introduce the first official DMC for Kabylake. drm/i915: Introduce Kabypoint PCH for Kabylake H/DT. drm/i915/gen9: implement WaConextSwitchWithConcurrentTLBInvalidate drm/i915/gen9: Add WaFbcHighMemBwCorruptionAvoidance drm/i195/fbc: Add WaFbcNukeOnHostModify drm/i915/gen9: Add WaFbcWakeMemOn drm/i915/gen9: Add WaFbcTurnOffFbcWatermark drm/i915/kbl: Add WaClearSlmSpaceAtContextSwitch drm/i915/gen9: Add WaEnableChickenDCPR drm/i915/kbl: Add WaDisableSbeCacheDispatchPortSharing drm/i915/kbl: Add WaDisableGafsUnitClkGating drm/i915/kbl: Add WaForGAMHang drm/i915: Add WaInsertDummyPushConstP for bxt and kbl drm/i915/kbl: Add WaDisableDynamicCreditSharing drm/i915/kbl: Add WaDisableGamClockGating drm/i915/gen9: Enable must set chicken bits in config0 reg drm/i915/kbl: Add WaDisableLSQCROPERFforOCL drm/i915/kbl: Add WaDisableSDEUnitClockGating drm/i915/kbl: Add WaDisableFenceDestinationToSLM for A0 drm/i915/kbl: Add WaEnableGapsTsvCreditFix ...
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Two i915 regression fixes. Intel have submitted some Kabylake fixes I'll send separately, since this is the first kernel with kabylake support and they don't go much outside that area I think they should be fine" * tag 'drm-fixes-for-v4.7-rc8-intel' of git://people.freedesktop.org/~airlied/linux: drm/i915: add missing condition for committing planes on crtc drm/i915: Treat eDP as always connected, again
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68kLinus Torvalds authored
Pull m68k upddates from Geert Uytterhoeven: - assorted spelling fixes - defconfig updates * tag 'm68k-for-v4.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k/defconfig: Update defconfigs for v4.7-rc2 m68k: Assorted spelling fixes
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "A handful of fixes before final release: Marvell Armada: - One to fix a typo in the devicetree specifying memory ranges for the crypto engine - Two to deal with marking PCI and device-memory as strongly ordered to avoid hardware deadlocks, in particular when enabling above crypto driver. - Compile fix for PM Allwinner: - DT clock fixes to deal with u-boot-enabled framebuffer (simplefb). - Make R8 (C.H.I.P. SoC) inherit system compatibility from A13 to make clocks register proper. Tegra: - Fix SD card voltage setting on the Tegra3 Beaver dev board Misc: - Two maintainers updates for STM32 and STi platforms" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: tegra: beaver: Allow SD card voltage to be changed MAINTAINERS: update STi maintainer list MAINTAINERS: update STM32 maintainers list ARM: mvebu: compile pm code conditionally ARM: dts: sun7i: Fix pll3x2 and pll7x2 not having a parent clock ARM: dts: sunxi: Add pll3 to simplefb nodes clocks lists ARM: dts: armada-38x: fix MBUS_ID for crypto SRAM on Armada 385 Linksys ARM: mvebu: map PCI I/O regions strongly ordered ARM: mvebu: fix HW I/O coherency related deadlocks ARM: sunxi/dt: make the CHIP inherit from allwinner,sun5i-a13
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
Pull crypto fixes from Herbert Xu: "This fixes a sporadic build failure in the qat driver as well as a memory corruption bug in rsa-pkcs1pad" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: rsa-pkcs1pad - fix rsa-pkcs1pad request struct crypto: qat - make qat_asym_algs.o depend on asn1 headers
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-securityLinus Torvalds authored
Pull key handling fixes from James Morris: "Quoting David Howells: Here are three miscellaneous fixes: (1) Fix a panic in some debugging code in PKCS#7. This can only happen by explicitly inserting a #define DEBUG into the code. (2) Fix the calculation of the digest length in the PE file parser. This causes a failure where there should be a success. (3) Fix the case where an X.509 cert can be added as an asymmetric key to a trusted keyring with no trust restriction if no AKID is supplied. Bugs (1) and (2) aren't particularly problematic, but (3) allows a security check to be bypassed. Happily, this is a recent regression and never made it into a released kernel" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: KEYS: Fix for erroneous trust of incorrectly signed X.509 certs pefile: Fix the failure of calculation for digest PKCS#7: Fix panic when referring to the empty AKID when DEBUG defined
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
Pull input fixes from Dmitry Torokhov: "A few more fixes for the input subsystem: - restore naming for tsc2005 touchscreens as some userspace match on it - fix out of bound access in legacy keyboard driver - fixup in RMI4 driver Everything is tagged for stable as well" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: tsc200x - report proper input_dev name tty/vt/keyboard: fix OOB access in do_compute_shiftstate() Input: synaptics-rmi4 - fix maximum size check for F12 control register 8
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimmLinus Torvalds authored
Pull libnvdimm fix from Dan Williams: "This contains a regression fix for a problem that was introduced in v4.7-rc6. In 4.7-rc1 we introduced auto-probing for the ACPI DSM (device- specific-method) format that the platform firmware implements for nvdimm devices. We initially fixed a regression in probing the QEMU DSM implementation by making acpi_check_dsm() tolerant of the way QEMU reports the "0 DSMs supported" condition. However, that broke HPE platforms since that tolerance caused the driver to mistakenly match the 1-zero-byte response those platforms give to "unknown" commands. Instead, we simply make the driver tolerant of not finding any supported DSMs. This has been tested to work with both QEMU and HPE platforms. This commit has appeared in a -next release with no reported issues" * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: nfit: make DIMM DSMs optional
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpioLinus Torvalds authored
Pull GPIO fix from Linus Walleij: "Compile problem fix for Tegra, Sorry to send this in the last minute but Ingo says this build failure is very prominent so I'm not going to wait for v4.7 before sending it. It is a case of COMPILE_TEST causing more problems than it solves and I'm already swearing about me shooting myself in the foot with that gun :(" * tag 'gpio-v4.7-6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: tegra: don't auto-enable for COMPILE_TEST
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds authored
Pull clk fixes from Michael Turquette: "Fix a bug in the at91 clk driver, two compile time warnings in sunxi clk drivers, and one bug in a sunxi clk driver introduced in the 4.7 merge window" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: at91: fix clk_programmable_set_parent() clk: sunxi: remove unused variable clk: sunxi: display: Add per-clock flags clk: sunxi: tcon-ch1: Do not return a negative error in get_parent
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libataLinus Torvalds authored
Pull libata fix from Tejun Heo: "Another fallout from max_sectors bump a couple years ago. The lite-on optical drive times out on large requests" * 'for-4.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: libata: LITE-ON CX1-JB256-HP needs lower max_sectors
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git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds authored
Pull MMC fixes from Ulf Hansson: "Here are a few late mmc fixes intended for v4.7 final. MMC core: - Fix eMMC packed command header endianness - Fix free of uninitialized buffer for mmc ioctl MMC host: - pxamci: Fix potential oops in ->probe()" * tag 'mmc-v4.7-rc7' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: pxamci: fix potential oops mmc: block: fix packed command header endianness mmc: block: fix free of uninitialized 'idata->buf'
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "No surprise, just a few small fixes: a couple of changes are seen in the core part, and both of them are rather for unusual error paths. The rest are the regular HD-audio fixes and one USB-audio regression fix" * tag 'sound-4.7-fix2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb-audio: Fix quirks code is not called ALSA: hda: add AMD Stoney PCI ID with proper driver caps ALSA: hda - fix use-after-free after module unload ALSA: pcm: Free chmap at PCM free callback, too ALSA: ctl: Stop notification after disconnection ALSA: hda/realtek - add new pin definition in alc225 pin quirk table
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull NVMe fix from Jens Axboe: "Late addition here, it's basically a revert of a patch that was added in this merge window, but has proven to cause problems. This is swapping out the RCU based namespace protection with a good old mutex instead" * 'for-linus' of git://git.kernel.dk/linux-block: nvme: Remove RCU namespace protection
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Jiri Slaby authored
With this command sequence: modprobe plip modprobe pps_parport rmmod pps_parport the partport_pps modules causes this crash: BUG: unable to handle kernel NULL pointer dereference at (null) IP: parport_detach+0x1d/0x60 [pps_parport] Oops: 0000 [#1] SMP ... Call Trace: parport_unregister_driver+0x65/0xc0 [parport] SyS_delete_module+0x187/0x210 The sequence that builds up to this is: 1) plip is loaded and takes the parport device for exclusive use: plip0: Parallel port at 0x378, using IRQ 7. 2) pps_parport then fails to grab the device: pps_parport: parallel port PPS client parport0: cannot grant exclusive access for device pps_parport pps_parport: couldn't register with parport0 3) rmmod of pps_parport is then killed because it tries to access pardev->name, but pardev (taken from port->cad) is NULL. So add a check for NULL in the test there too. Link: http://lkml.kernel.org/r/20160714115245.12651-1-jslaby@suse.czSigned-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Rodolfo Giometti <giometti@enneenne.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Dan Carpenter authored
The curly braces are missing here so we print stuff unintentionally. Fixes: 9da4714a ('slub: slabinfo update for cmpxchg handling') Link: http://lkml.kernel.org/r/20160715211243.GE19522@mwandaSigned-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Christoph Lameter <cl@linux.com> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Colin Ian King <colin.king@canonical.com> Cc: Laura Abbott <labbott@fedoraproject.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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